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Which of the following is equal to x₂ (n)? - 6. A. x₂ (n) = 2√5(0.4419) cos(1.1071 +2.3562n) u(n − 1) B. x₂ (n) = 2√5(0.625)" cos(1.1071 + 135n) u(-n-1) C. x₂ (n) = 2(0.4419)(√5)" cos(1.1071n +2.3562)u(n) D. x₂ (n) = 2(2.3562) (1.1071)" cos(1.1071 +2.3562n) u(n)

Which of the following is equal to x₂ (n)? - 6. A. x₂ (n) = 2√5(0.4419) cos(1.1071 +2.3562n) u(n − 1) B. x₂ (n) = 2√5(0.625)" cos(1.1071 + 135n) u(-n-1) C. x₂ (n) = 2(0.4419)(√5)" cos(1.1071n +2.3562)u(n) D. x₂ (n) = 2(2.3562) (1.1071)" cos(1.1071 +2.3562n) u(n)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Part 1. Determine the inverse z-transform using partial fraction expansion that results to a causal function 1. A. B. C. D. X(z) 2. A. -3,1-j2 and - 1 + j2 B. 3,1 + j2 and 1-j2 C. 1+ j2 and 1-j2 D. -2 + j2 and -2-j Which of the following is correct? X(z) Z 3 A. 2 B. 4 C. 5 D. None of these X(z) Z = X(z) Z X(z) Z 52-2 15z-1 +11z-2-15z-3 = 5z z35z² + 11z - 15 5z z-35z2+11z-¹-15 5 z³5z² + 11z - 15 5z The roots of the denominator of X(z)/z are 15z311z2 + 5z - 1 X(z) can be resolved into the sum of how many partial fractions? Z
Transcribed Image Text:Part 1. Determine the inverse z-transform using partial fraction expansion that results to a causal function 1. A. B. C. D. X(z) 2. A. -3,1-j2 and - 1 + j2 B. 3,1 + j2 and 1-j2 C. 1+ j2 and 1-j2 D. -2 + j2 and -2-j Which of the following is correct? X(z) Z 3 A. 2 B. 4 C. 5 D. None of these X(z) Z = X(z) Z X(z) Z 52-2 15z-1 +11z-2-15z-3 = 5z z35z² + 11z - 15 5z z-35z2+11z-¹-15 5 z³5z² + 11z - 15 5z The roots of the denominator of X(z)/z are 15z311z2 + 5z - 1 X(z) can be resolved into the sum of how many partial fractions? Z
4. following is correct? A. B. C. Let p = a + jb, b > 0 be the complex root of the denominator of *(2). Which of the X(z) Z D. X(z) Z X(z) Z = = 0.625 0.4419e/2.3562 0.4419e-12.3562 z-p z-p* X(z) Z 0.625 z + 3 X(z) Z = + 5. A. x₁ (n) = 0.625.3-"u(n) B. x₁(n) = 0.625 (-3)"u(-n-1) C. x₁(n) = -0.625 · 3¹u(n − 1) D. x₁ (n) = 0.625.3"u(n) 0.4419e/2.3562 z-p 0.4419e/2.3562 z-p 0.625 0.4419e/135 z-3 Z-P + + 0.4419e-12.3562 z-p 0.4419e-12.3562 z-p* + 0.4419e-j135 z-p For nos. 5 and 6, let x(n) = x₁(n) + x₂ (n), where x₂ (n) contains the sinusoidal term. Which of the following is equal to x₁ (n)? 6. Which of the following is equal to x₂ (n)? A. x₂ (n) = 2√5(0.4419) cos(1.1071 +2.3562n) u(n − 1) B. x₂ (n) = 2√5(0.625)" cos(1.1071 +135n) u(−n − 1) C. x₂ (n) = 2(0.4419)(√5) cos(1.1071n +2.3562)u(n) D. x₂ (n) = 2(2.3562)(1.1071) cos(1.1071 +2.3562n) u(n)
Transcribed Image Text:4. following is correct? A. B. C. Let p = a + jb, b > 0 be the complex root of the denominator of *(2). Which of the X(z) Z D. X(z) Z X(z) Z = = 0.625 0.4419e/2.3562 0.4419e-12.3562 z-p z-p* X(z) Z 0.625 z + 3 X(z) Z = + 5. A. x₁ (n) = 0.625.3-"u(n) B. x₁(n) = 0.625 (-3)"u(-n-1) C. x₁(n) = -0.625 · 3¹u(n − 1) D. x₁ (n) = 0.625.3"u(n) 0.4419e/2.3562 z-p 0.4419e/2.3562 z-p 0.625 0.4419e/135 z-3 Z-P + + 0.4419e-12.3562 z-p 0.4419e-12.3562 z-p* + 0.4419e-j135 z-p For nos. 5 and 6, let x(n) = x₁(n) + x₂ (n), where x₂ (n) contains the sinusoidal term. Which of the following is equal to x₁ (n)? 6. Which of the following is equal to x₂ (n)? A. x₂ (n) = 2√5(0.4419) cos(1.1071 +2.3562n) u(n − 1) B. x₂ (n) = 2√5(0.625)" cos(1.1071 +135n) u(−n − 1) C. x₂ (n) = 2(0.4419)(√5) cos(1.1071n +2.3562)u(n) D. x₂ (n) = 2(2.3562)(1.1071) cos(1.1071 +2.3562n) u(n)
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