Q.

Define the fundamental period of the following signal x[n] = exp(2pi*j*n/3) + exp(3*pi*j*n/4)?

A. 8
B. 12
C. 18
D. 24
Answer» D. 24
Explanation: the first signal, will repeat itself after 3 cycles. the second will repeat itself after 8 cycles. thus, both of them
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