Which of the following function (s) is/are periodic ? - Vidyadip

MCQ

Which of the following function $(s)$ is/are periodic ?

A
$f(x) = x - [x]$
B
$w(x) = sin^{-1} (sin x)$
C
$h(x) = x cos x$
✓
$(A)$ or $(B)$ both

✓

Answer

Correct option: D.

$(A)$ or $(B)$ both

d

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