What is the causal inverse of the FIR system with impulse response h( – McqOptions

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1.	What is the causal inverse of the FIR system with impulse response h(n)=δ(n)-aδ(n-1)?
A.	δ(n)-aδ(n-1)
B.	δ(n)+aδ(n-1)
C.	a-n
D.	an
Answer» E.

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