Signals and Systems - Engineering

The impulse response h[n] of a linear time invariant system is given as

If the input to the above system is the sequence e^jpn/4, then the output is

A

42 e^jpn/4

B

42 e^{- jpn/4}

C

4e^pn/4

D

-4e^pn/4

ANS:A -

42 e^jpn/4

Please explain the solution.

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