Which Of The Following Function Is Non Periodic?

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Question

Which of the following function is non periodic?

easy

Solution

Correct option is

The function in (a) is periodic with period

1. The function is (b) is periodic with period .The function in (c) on simplication is equal to (1/2) sin 2x, which is periodic with period . The function in (d) is non-periodic as g(x) = x is non-periodic.