Consider a discrete time signalx(n) = {-1, 2, -3, 2,-1}value of andang;x(eiandomega;) is equal toa)b)c)d)andpi;Correct answer is option 'D'. Can you explain this answer?

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Consider a discrete time signal x(n) = {-1, 2, -3, 2, -1} value of ∠x(e^iω) is equal to

a)
b)
c)
d)
π

Correct answer is option 'D'. Can you explain this answer?

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Consider a discrete time signalx(n) = {-1, 2, -3, 2,-1}value of ∠x(eiω) is equal toa)b)c)d)πCorrect answer is option 'D'. Can you explain this answer?

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