

MCQOPTIONS
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1. |
If f1(t) = f2(t) = u(t), find out f1(t)*f2(t): where (*) denotes convolution of f1(t) and f2(t). |
A. | u(t) |
B. | f2 u(t) |
C. | tu(t) |
D. | tδ(t) |
Answer» D. tδ(t) | |