1.

Consider y1(t) = x(3t) and y2(t) = x(t/3). Consider the following statements.1. If y1(t) and y2(t) are periodic, then x(t) is periodic.2. If x(t) is periodic, then y1(t) and y2(t) are periodic.Which of the above statements is/are true:

A. None
B. 1
C. 1 and 2
D. 2
Answer» D. 2


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