Question

Fundamental period of the function $f\left(x\right)=|\sin \pi x|$ is

• A. $1$
• B. $2$
• C. ${\pi }^2$
• D. $2\pi$

Answer 1

The correct option is A $1$

We know that, fundamental period of $|\sin x|=\pi$.
$\therefore$ Fundamental period of $|\sin \pi x|=\frac{\pi }{\pi }=1$.