MCQ
For every point $P(x, y, z)$ on the $x-$ axis $($except the origin$),$
- A$x = 0, y = 0, z \neq 0$
- B$y = 0, z = 0, y \neq 0$
- ✓$y = 0, z = 0, x \neq 0$
- D$x = y = z = 0$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$f(x) = \left\{ {\begin{array}{*{20}{l}}
{\frac{{k\cos x}}{{\pi - 2x}},}&{{\rm{ if }}\,x\, \ne \,\frac{\pi }{2}}\\
{3,}&{{\rm{ if }}\,x\, = \,\frac{\pi }{2}}
\end{array}} \right.$ at $x = \frac{\pi }{2}$