MCQ
The function $f(x) = sgnx\,\cdot \,sinx$ is
- Adiscontinuous no where.
- Ban even function
- Caperiodic
- ✓All of the above
✓
Answer
Correct option: D.
All of the above
d
$f (x) =$ $\left[ {\begin{array}{*{20}{c}} {} \\ {} \end{array}} \right.$ $\begin{array}{*{20}{c}} {\sin x\,\,\,x \geqslant 0} \\ { - \sin x\,\,\,x\, < 0} \end{array}$
$f (x) =$ $\left[ {\begin{array}{*{20}{c}} {} \\ {} \end{array}} \right.$ $\begin{array}{*{20}{c}} {\sin x\,\,\,x \geqslant 0} \\ { - \sin x\,\,\,x\, < 0} \end{array}$
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