If h(n) is the impulse response of an LTI system T and h1(n) is the im – McqOptions

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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)*h<sub>1</sub>(n)].x(n)=x(n)
B.	[h(n).h<sub>1</sub>(n)].x(n)=x(n)
C.	[h(n)h<sub>1</sub>(n)]x(n)=x(n)
D.	[h(n).h<sub>1</sub>(n)]*x(n)=x(n)
Answer» D. [h(n).h<sub>1</sub>(n)]*x(n)=x(n)

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