1.

If h(n) is the impulse response of an LTI system T and h1(n) is the impulse response of the inverse system T-1, then which of the following is true?

A. [h(n)*h1(n)].x(n)=x(n)
B. [h(n).h1(n)].x(n)=x(n)
C. [h(n)*h1(n)]*x(n)=x(n)
D. [h(n).h1(n)]*x(n)=x(n)
Answer» D. [h(n).h1(n)]*x(n)=x(n)


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