Find the value of {sum from -inf to inf} exp(jwn)*d[n]
A. 0
B. 1
C. 2
D. 3
Answer:A
Find the value of {sum from -inf to inf} exp(jwn)*d[n]
A. 0 B. 1 C. 2 D. 3
Explanation: The sum will exist only for n=0, for which the product will be 1.