Steady state response of transfer function - RLC Step Response – Example 1 The particular solution is the circuit’s steady-state solution Steady-state equivalent circuit: Capacitor →open Inductor →short So, the . particular solution. is. 𝑣𝑣. 𝑜𝑜𝑜𝑜. 𝑡𝑡= 1𝑉𝑉 The . general solution: 𝑣𝑣. 𝑜𝑜. 𝑡𝑡= 𝑣𝑣. 𝑜𝑜𝑜𝑜. 𝑡𝑡 ...

 
You can plot the step and impulse responses of this system using the step and impulse commands. subplot (2,1,1) step (sys) subplot (2,1,2) impulse (sys) You can also simulate the response to an arbitrary signal, such as a sine wave, using the lsim command. The input signal appears in gray and the system response in blue.. Brandon dekosky

The Indian Air Force (IAF) released the AFCAT EKT 1/2023 Short Notification. The application process was started on 1st December 2022. Candidates will be selected for …G (s) = K (s+1) s² +3s +3.25 G (s) = K s (s+2) 1) In the electrical circuit given in the figure, v (t) -input and vC2 (t) -output, a) Draw the Laplace equivalent of the system and obtain the transfer function. (In your transactions, consider the initial values as zero.). b) Draw the appropriate graph tree and write the equation of state for ...The steady state analysis depends upon the type of the system. The type of the system is determined from open loop transfer function G (S).H (S) Transient Time: The time required to change from one state to another is called the transient time. Transient Response: The value of current and voltage during the time change is called transient response.A frequency response function (FRF) is a transfer function, expressed in the frequency-domain. Frequency response functions are complex functions, with real and imaginary components. They may also be represented in terms of magnitude and phase. A frequency response function can be formed from either measured data or analytical functions.K. Webb MAE 4421 10 System Type –Unity‐Feedback Systems For unity‐feedback systems, system type is determined by the number of integrators in the forward path Type 0: no integrators in the open‐loop TF, e.g.: ) O L O E4 O E6 O 64 O E8 Type 1: one integrator in the open‐loop TF, e.g.: ) O L 15 O O 63 O E12 Type 2: two integrators in the open‐loop TF, e.g.:Compute the gain of the system in steady state. evalfr (sys, x) Evaluate the transfer function of an LTI system for a single complex number x. freqresp (sys, omega) Frequency response of an LTI system at multiple angular frequencies. margin (*args) Calculate gain and phase margins and associated crossover frequenciesSteady state occurs after the system becomes settled and at the steady system starts working normally. Steady state response of control system is a function …In answer to the first question, we see that the transfer function is equal to zero when s = 0: s 2 L C s 2 L C + 1. 0 0 + 1 = 0 1 = 0. As with the RC low-pass filter, its response at DC also happens to be a “zero” for the transfer function. With a DC input signal, the output signal of this circuit will be zero volts.we are asked to find the steady state value of the output assuming the input noise and disturbance are zero. Solution: From the reference input R(s), the system has forward path G ... CP2.5 We are asked to use Matlab to compute (a) the closed loop transfer function, (b) the step response to a 10 degree step input, (c) the step response with a ...Sinusoidal steady-state and frequency response †sinusoidalsteady-state †frequencyresponse †Bodeplots 10{1. Responsetosinusoidalinput Set t = τ in your equation. This gives. where K is the DC gain, u (t) is the input signal, t is time, τ is the time constant and y (t) is the output. The time constant can be found where the curve is 63% of the way to the steady state output. Easy-to-remember points are τ @ 63%, 3 τ @ 95\% and 5 τ @ 99\%. Your calculation for τ = 3 5 ...The response of a system can be partitioned into both the transient response and the steady state response. We can find the transient response by using Fourier integrals. The steady state response of a system for an input sinusoidal signal is known as the frequency response. In this chapter, we will focus only on the steady state response.Development of Transfer Functions Example: Stirred Tank Heating System Figure 2.3 Stirred-tank heating process with constant holdup, V. Recall the previous dynamic model, assuming constant liquid holdup and flow rates: ρ dT C dt = wC ( T − T ) + Q (1) i Suppose the process is initially at steady state: Control System Toolbox. Compute step-response characteristics, such as rise time, settling time, and overshoot, for a dynamic system model. For this example, use a continuous-time transfer function: s y s = s 2 + 5 s + 5 s 4 + 1. 6 5 s 3 + 5 s 2 + 6. 5 s + 2. Create the transfer function and examine its step response.Steady state occurs after the system becomes settled and at the steady system starts working normally. Steady state response of control system is a function of input signal and it is also called as forced response.The terms transient response and steady state response arise naturally in the context of sinewave analysis (e.g., §2.2).When the input sinewave is switched on, the filter takes a while to ``settle down'' to a perfect sinewave at the same frequency, as illustrated in Fig.5.7(b).The filter response during this ``settling'' period is called the transient response of the filter.We can write the transfer function of the general 2nd—order system with unit steady state response as follows: ω2 n s2 +2ζω ns+ ω2 n, where • ω n is the system’s natural frequency ,and • ζis the system’s damping ratio. The natural frequency indicates the oscillation frequency of the undampedSteady State Errors for Non-Unity Feedback Systems Consider the following block diagram of closed loop control system, which is having nonunity negative feedback. We can find the steady state errors only for the unity feedback systems.Sinusoidal steady state response to sinusoidal... Learn more about transfer function MATLAB.The left plot shows the step response of the first input channel, and the right plot shows the step response of the second input channel. Whenever you use step to plot the responses of a MIMO model, it generates an array of plots representing all the I/O channels of the model. For instance, create a random state-space model with five states, three inputs, …the settling time is not unduly long. Note that to compute the ramp response, we used the step command on the system consisting of 1/s in series with the original closed loop transfer function since there is no “ramp” command in Matlab. >> Kb = 0.05; Km = 10; K = 0.051; sys = tf([K*Km],[1 Kb*Km+0.01 K*Km]) Transfer function: 0.51-----The steady state value is also called the final value. The Final Value Theorem lets you calculate this steady state value quite easily: $\lim_{t \to \infty} y(t) = \lim_{z \to 0} z*Y(z)$, where $y(t)$ is in the time domain and $Y(z)$ is in the frequency domain. So if your transfer function is $H(z) = \frac{Y(z)}{X(z)} = \frac{.8}{z(z-.8)}$, you ...Feb 24, 2012 · The forced response is also called the steady-state response or a particular equation. The natural response is also called the homogeneous equation. Before proceeding to this topic, you should be aware of the control engineering concepts of poles, zeros, and transfer function and fundamental concepts of the feedback control systems. Here ... Dec 29, 2021 · However, if we apply the sinusoidal input for a sufficiently long time, the transient response dies out and we observe the steady-state response of the system. Magnitude of the Transfer Function. Let’s examine the derived transfer function to gain a deeper insight into the system operation. The magnitude of the transfer function is given by: Assuming that's what you meant, the next clarification is steady-state value of a transfer function in response to what - is it in response to a step input? If that's what you meant, then yes, you can do this like that:Demonstrate that the transfer function method can be used to obtain the steady-state response the same as does from solving the differential equation of motion.transfer-function; steady-state; Share. Cite. Follow edited Jun 11, 2020 at 15:10. Community Bot. 1. asked ... Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Use MathJax to format equations.Compute step-response characteristics, such as rise time, settling time, and overshoot, for a dynamic system model. For this example, use a continuous-time transfer function: s y s = s 2 + 5 s + 5 s 4 + 1. 6 5 s 3 + 5 s 2 + 6. 5 s + 2. Create the transfer function and examine its step response.Jun 19, 2023 · The ramp response of the closed-loop system is plotted to confirm the results. Figure \(\PageIndex{2}\): Unit-ramp response of the closed-loop system. With the addition of the phase-lag controller, the closed-loop transfer function is given as: \[T(s)=\frac{7(s+0.02)}{(s+0.0202)(s+5.38)(s^2+1.61s+1.29)} onumber \] A frequency response function (FRF) is a transfer function, expressed in the frequency-domain. Frequency response functions are complex functions, with real and imaginary ... The Fourier transform of each side of equation (9) may be taken to derive the steady-state transfer function for the absolute response displacement, as shown in Reference ...Considering this general 1st order transfer function $$ H(z) = \frac{b_0 + b_1z^{-1}}{1-az^{-1}} $$ How to find (analytically) the transient and steady-state responses? With steady-state respons... Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, ...Steady-state error can be calculated from the open or closed-loop transfer function for unity feedback systems. ... response approaches steady state. User ...For underdamped systems, the peak time is the time when the step response reaches its peak. Peak Overshoot. The peak overshoot is the overshoot above the steady-state value. Settling Time. The settling time is the time when the step response reaches and stays within \(2\%\) of its steady-state value. Alternately, \(1\%\) limits can be used.A frequency response function (FRF) is a transfer function, expressed in the frequency-domain. Frequency response functions are complex functions, with real and imaginary ... The Fourier transform of each side of equation (9) may be taken to derive the steady-state transfer function for the absolute response displacement, as shown in Reference ...and its steady state response to an input. The transfer function focuses on the steady state response due to a given input, and provides a mapping between inputs and their corresponding outputs. In this section, we will derive the transfer function in terms of the “exponential response” of a linear system. Transmission of Exponential Signals Here, an open loop transfer function, $\frac{\omega ^2_n}{s(s+2\delta \omega_n)}$ is connected with a unity negative feedback. ... the unit step response of the second order system when δ > 1 will never reach step input in the steady state. Impulse Response of Second Order System.The frequency response ( Y = H(X) ) of a circuit gives the steady state behaviour of a circuit due to a sinusoidal input X. Its possible to write a fourier series approximation any transient input X over some time interval.Q4. The closed loop transfer function of a control system is given by C ( s) R ( s) = 1 s + 1. For the input r (t) = sin t, the steady state response c (t) is. Q5. The transfer function of a system is given by G ( s) = e − s 500 s + 500 The input to the system is x (t) = sin 100 πt.For the zero state: Find $$ F(s) =\frac{1} {(s-3)} $$ Which is computed by taking the Laplace transform of course. Now, multiply F(s) with your transfer function.Use the following transfer functions to find the steady-state response Yss to the given input function f(!). NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. b. 3. T(3) = 0 Y() F(s) = 9 sin 2t **(8+1) The steady-state response for the given function is Ysso sin(2t + 2.0344)... response during steady state is known as steady state error. ... C(s) is the Laplace transform of the output signal c(t). We know the transfer function of the ...A frequency response function (FRF) is a transfer function, expressed in the frequency-domain. Frequency response functions are complex functions, with real and imaginary components. They may also be represented in terms of magnitude and phase. A frequency response function can be formed from either measured data or analytical functions. Example 4.1: The transfer function and state-space are for the same system. From the transfer function, the characteristic equation is s2+5s=0, so the poles are 0 and -5. For …• The Frequency Response of the transfer function G(s) is given by its ... steady state response for fixed bandwidth. For a fixed low-frequency gain, it will.১৭ অক্টো, ২০১৯ ... The transfer function between the jth input uj(t) (j = 1, 2, ททท , p) ... Transient and steady state response. Total response – example. Example ...Steady-State Output from Transfer Function. From here I am out of ideas on how to continue. Any advice appreciated. hint : e^jx = cos (x) + j sin (x) So your denominator is …Jun 19, 2023 · The ramp response of the closed-loop system is plotted to confirm the results. Figure \(\PageIndex{2}\): Unit-ramp response of the closed-loop system. With the addition of the phase-lag controller, the closed-loop transfer function is given as: \[T(s)=\frac{7(s+0.02)}{(s+0.0202)(s+5.38)(s^2+1.61s+1.29)} onumber \] Of course, we don’t have to limit ourselves to just a step from 0 to 1. More generally, a step input could start from any steady state value and jump instantly to any other value. For example, let’s say we’ve developed an altitude controller for a drone and it’s hovering at a steady state altitude of 10 meters. This is our starting ...A steady-state function is a function that does not change as t → ∞ t → ∞. An example of a steady-state function would be trigonometric function like sin(t) s i n ( t) which oscillates within a boundary as t grows larger. For your example, the steady-state would be. 2 + 5t 2 + 5 t. Another example would be; let f(t) = g(t) + h(t) f ( t ...So, the unit step response of the second order system will try to reach the step input in steady state. Case 3: 0 < δ < 1 We can modify the denominator term of the transfer function as follows −Dec 16, 2005 · Bode plots are commonly used to display the steady state frequency response of a stable system. Let the transfer function of a stable system be H(s). Also, let M(!) and "(!) be respectively the magnitude and the phase angle of H(j!). In Bode plots, the magnitude characteristic M(!) and the phase angle characteristic "(!) of the frequency ... The frequency response function or the transfer function (the system function, as it is sometimes known) is defined as the ratio of the complex output amplitude to the complex input amplitude for a steady-state sinusoidal input. (The frequency response function is the output per unit sinusoidal input at frequency ω.) Thus, the input is.State space and Transfer function model of a RLC circuit has been created and response is observed by providing step input for lab analysis. 0.0 (0) 1 Download. Updated 23 Oct 2023. View License. × License. Follow; Download ... Transfer Function/State Space Based RLC step Response (https: ...{ free response and { transient response { steady state response is not limited to rst order systems but applies to transfer functions G(s) of any order. The DC-gain of any transfer function is de ned as G(0) and is the steady state value of the system to a unit step input, provided that the system has a steady state value.• System Steady-State Output: • Both amplitude ratio, Q o/Q i, and phase angle, φ, change with frequency, ω. • The frequency response can be determined analytically from the Laplace transfer function: q ii=ωQsin(t) q oo=Qsin(ωt)+φ G(s) s = iω Sinusoidal Transfer Function M(ω)∠φω()Transfer Functions In this chapter we introduce the concept of a transfer function between an input and an output, and the related concept of block diagrams for feedback systems. 6.1 Frequency Domain Description of SystemsDeeds for transferring real estate are routinely made without the assistance of an attorney. Although each state’s laws may differ regarding deed requirements, preprinted deed forms typically are available from the local government office r...The steady state analysis depends upon the type of the system. The type of the system is determined from open loop transfer function G (S).H (S) Transient Time: The time required to change from one state to another is called the transient time. Transient Response: The value of current and voltage during the time change is called transient response. Example 2.1: Solving a Differential Equation by LaPlace Transform. 1. Start with the differential equation that models the system. 2. We take the LaPlace transform of each term in the differential equation. From Table 2.1, we see that dx/dt transforms into the syntax sF (s)-f (0-) with the resulting equation being b (sX (s)-0) for the b dx/dt ...Control System Toolbox. Compute step-response characteristics, such as rise time, settling time, and overshoot, for a dynamic system model. For this example, use a continuous-time transfer function: s y s = s 2 + 5 s + 5 s 4 + 1. 6 5 s 3 + 5 s 2 + 6. 5 s + 2. Create the transfer function and examine its step response. Solution: The tank is represented as a °uid capacitance Cf with a value: Cf = A ‰g (i) where A is the area, g is the gravitational acceleration, and ‰ is the density of water. In this case Cf = 2=(1000£9:81) = 2:04£10¡4 m5/n and Rf = 1=10¡6 = 106 N-s/m5. The linear graph generates a state equation in terms of the pressure across the °uidIn time domain analysis the response of a system is a function of time. It ... calculate steady-state error from the open-loop transfer function in each case.The control system design specifications include desired characteristics for the transient and steady-state components of system response with respect to a prototype input. A step input is used to define the desired transient response characteristics. ... we consider a prototype second-order transfer function, given by the closed-loop transfer ...The introduction of the concept of transfer function will provide tools for the analysis as well as the design of linear time-invariant systems. The design of analog and discrete filters is the most important application of these concepts. ... To achieve this steady-state response, the ocean must undergo an adjustment from an initial unbalanced ...Repeat of transfer function block diagram model typical SISO system. For this it is easy to derive that, whether q is the Laplace transform variable s or the z transform variable z,1.2 System Poles and the Homogeneous Response Because the transfer function completely represents a system differential equation, its poles and zeros effectively define the system response. In particular the system poles directly define the components in the homogeneous response. The unforced response of a linear SISO system to a set 1 Answer. Let f(t) f ( t) denote the time-domain function, and F(s) F ( s) denote its Laplace transform. The final value theorem states that: where the LHS is the steady state of f(t). f ( t). Since it is typically hard to solve for f(t) f ( t) directly, it is much easier to study the RHS where, for example, ODEs become polynomials or rational ...Transfer Functions In this chapter we introduce the concept of a transfer function between an input and an output, and the related concept of block diagrams for feedback systems. 6.1 Frequency Domain Description of SystemsTo create the transfer function model, first specify z as a tf object and the sample time Ts. ts = 0.1; z = tf ( 'z' ,ts) z = z Sample time: 0.1 seconds Discrete-time transfer function. Create the transfer function model using z in the rational expression.The above response is a combination of steady-state response i.e. and transient response i.e. Natural Response of Source Free Series RC Circuit. The source free response is the discharge of a capacitor through a resistor in series with it. For all switch K is closed. Applying KVL to the above circuit, we get, (6)May 22, 2022 · The first two right-hand-side terms of Equation \(\ref{eqn:4.29}\) are associated with steady-state forced sinusoidal response, and the third term is associated with response bounded by real exponential functions. The nature of system stability is determined by the poles \(p_k\), in particular, by their real parts. 4 Answers Sorted by: 11 The "mechanical" result of just plugging in z = 1 z = 1 into the transfer response is essentially a product of two facts. The steady-state gain is (usually, I believe) defined as the (magnitude of the) limiting response as t → ∞ t → ∞ of the system to a unit-step input.The steady-state response is the output of the system in the limit of infinite time, and the transient response is the difference between the response and the steady state response (it corresponds to the homogeneous solution of the above differential equation). The transfer function for an LTI system may be written as the product:if system is stable, sinusoidal steady-state response can be expressed as y sss (t)= ... from these we can construct Bode plot of any rational transfer function Sinusoidal steady-state and frequency response 10–23. Poles and zeros at …June 16, 2023. The topic of transfer functions in the FE Electrical exam offers a fundamental tool and mathematical framework to analyze and understand the behaviour of dynamic systems, allowing electrical engineers to unlock their full potential. Whether designing filters, modeling control systems, or dealing with signal processing, if you ...Considering this general 1st order transfer function $$ H(z) = \frac{b_0 + b_1z^{-1}}{1-az^{-1}} $$ How to find (analytically) the transient and steady-state responses? With steady-state respons... Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, ...The introduction of the concept of transfer function will provide tools for the analysis as well as the design of linear time-invariant systems. The design of analog and discrete filters is the most important application of these concepts. ... To achieve this steady-state response, the ocean must undergo an adjustment from an initial unbalanced ...ratio of the output and the input under steady state condition. If the input is constant u= u0 and the system is stable then the output will reach the steady state value y0 = G(0)u0. …১০ মার্চ, ২০১৮ ... The response in time of a control system is usually divided into two parts: the transient response and the steady-state response.Example: Complete Response from Transfer Function. Find the zero state and zero input response of the system. with. Solution: 1) First find the zero state solution. Take the inverse Laplace Transform: 2) Now, find the zero input solution: 3) The complete response is just the sum of the zero state and zero input response.What are the CarMax "hidden" fees? We detail CarMax's transfer fees, processing fees, dealer fees, and more inside. A few fees you might not know about or expect to see when you buy a car at CarMax include a vehicle transfer fee, a paperwor...and its steady state response to an input. The transfer function focuses on the steady state response due to a given input, and provides a mapping between inputs and their corresponding outputs. In this section, we will derive the transfer function in terms of the “exponential response” of a linear system. Transmission of Exponential Signals ' The response of the system after the transient response is called steady state response. ... steady-state value, from which the transfer function can be ...

The transfer function of a time delay is thus G(s) = e¡sT which is not a rational function. Steady State Gain The transfer function has many useful physical interpretations. The steady state gain of a system is simply the ratio of the output and the input in steady state. Assuming that the the input and the output of the system. Government watchdogs definition

steady state response of transfer function

From this block diagram we can find overall transfer function which is nonlinear in nature. The transfer function of the second order system is (ω 2) / {s (s + 2ζω )}. We are going to analyze the transient state response of control system for the following standard signal. Unit Impulse Response : We have Laplace transform of the unit impulse ...The frequency response function or the transfer function (the system function, as it is sometimes known) is defined as the ratio of the complex output amplitude to the complex input amplitude for a steady-state sinusoidal input. (The frequency response function is the output per unit sinusoidal input at frequency ω.) Thus, the input is.Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteThe response of control system in time domain is shown in the following figure. Here, both the transient and the steady states are indicated in the figure. The responses corresponding to these states are known as transient and steady state responses. Mathematically, we can write the time response c (t) as. c(t) = ctr(t) +css(t) c ( t) = c t r ...Find the sinusoidal steady state response (in the time domain) of the following systems modeled by transfer function, P(s), to the input u(t). Use the Bode plot (in Matlab bode.m) of the frequency response as opposed to solving the convolution integral of the inverse Laplace transform. $$ P(S) = 11.4/(s+1.4), u(t) = cos(5t) $$transfer functions defi ning the various subsystems and the Laplace-domain signals connecting them. It thus becomes possible to model, analyze, and design control sys-tems from the viewpoint of stability, transient response, and steady-state response. 11.1 CONCEPT OF FEEDBACK CONTROL OF DYNAMIC SYSTEMSfrequency response transfer function evaluated at s = jω, i.e., H (jω)= ∞ 0 h (t) e − jωt dt is called frequency response of the system since H (− jω)= H (jω),weusua lly only consider ω ≥ 0 Sinusoidal steady-state and frequency response 10–4The transfer function between the input force and the output displacement then becomes (5) Let. m = 1 kg b = 10 N s/m k = 20 N/m F = 1 N. Substituting these values into the above transfer function (6) The goal of this problem is to show how each of the terms, , , and , contributes to obtaining the common goals of:Find the steady state response of the transfer function G(s)=10s+11 due to a harmonic input given by f(t)=2sin5t ( 20 points). This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.Several transient response and steady-state response characteristics will be defined in terms of the parameters in the open-loop transfer functions. These ...The overshoot is the maximum amount by which the response overshoots the steady-state value and is thus the amplitude of the first peak. The overshoot is often written as a percentage of the steady-state value. The steady-state value is when t tends to infinity and thus y SS =k. Since y=0 when t=0 then, since e 0 =1, then using:The control system design specifications include desired characteristics for the transient and steady-state components of system response with respect to a prototype input. A step input is used to define the desired transient response characteristics. ... we consider a prototype second-order transfer function, given by the closed-loop transfer ...Here, an open loop transfer function, $\frac{\omega ^2_n}{s(s+2\delta \omega_n)}$ is connected with a unity negative feedback. ... the unit step response of the second order system when δ > 1 will never reach step input in the steady state. Impulse Response of Second Order System.Consider the following control system (system-1) as shown in Figure-3: Figure-3: Closed Loop Control System. Reference input ‘R s ’ is a unit step input.. Various steady-state values of System-1 are shown in Figure-4.The transfer function and state-space are for the same system. From the transfer function, the characteristic equation is s2+5s=0, so the poles are 0 and -5. For the state-space, det (sI-A)= = (s2+5s)- (1*0) = s2+5s=0, so the poles are 0 and -5. Both yield the same answer as expected. See moreDec 30, 2014 · Steady state response and transfer function. For an LTI system in frequency domain, Y (s) = H (s)X (s), where symbols have their usual meanings. I am confused in what this represents, i.e., is it true only in steady state (in other words is it only the forced response) or is it true for all times including the transient time (forced plus the ... Sinusoidal steady-state and frequency response †sinusoidalsteady-state †frequencyresponse †Bodeplots 10{1. Responsetosinusoidalinput Your kidneys are responsible for getting rid of all the toxins and waste byproducts floating around your bloodstream. Their job is essential for taking care of your overall health and vital organs such as your heart, brain and eyes.The frequency response of an element or system is a measure of its steady-state performance under conditions of sinusoidal excitation. In steady state, the output of a linear element excited with a sinusoid at a frequency ω ω (expressed in radians per second) is purely sinusoidal at fre­quency ω ω.3. Transfer Function From Unit Step Response For each of the unit step responses shown below, nd the transfer function of the system. Solution: (a)This is a rst-order system of the form: G(s) = K s+ a. Using the graph, we can estimate the time constant as T= 0:0244 sec. But, a= 1 T = 40:984;and DC gain is 2. Thus K a = 2. Hence, K= 81:967. Thus ....

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