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25-09-2021 Signals & Systems

Q. What is the commutative property?

A. x(n)*h(n)=h(n)*x(n)
B. x(n)+h(n)=h(n)+x(n)
C. x(n)**h(n)=h(n)**x(n)
D. x(n)h(n)=h(n)x(n)

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Commented on 2021-09-25 13:03:59 (IST)
Answer: A

Explanation: The commutative property is x(n)*h(n)=h(n)*x(n), where x(n) is the input and h(n) is the impulse response of the ∂(n) input of an LTI system.