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Second Fundamental Theorem of Calculus

Consider a di...

Question

$Consider a discrete-time periodic signal x[n]={1,0≤n≤70,8≤n≤9 with period of N = 10.A function y[n] is defined as y[n] =x[n]-x[n-1] then y[n] is periodic with period________$
10

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Solution

The correct option is A 10

$Subtracting the two signal, we get$

$N = 10$

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