MCQ
The feasible solution of a LPP belongs to:
- AFirst and second quadrants
- BFirst and third quadrants.
- CSecond quadrant
- DOnly firstquadrant.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$f(x)=\left\{\begin{array}{cc}2 \sin \left(-\frac{\pi x}{2}\right), & \text { if } x<-1 \\ \left|a x^{2}+x+b\right|, & \text { if }-1 \leq x \leq 1 \\ \sin (\pi x), & \text { if } x>1\end{array}\right.$
If $f(x)$ is continuous on $R,$ then $a+b$ equals ..... .
{where $x,y \in R^+, x^2y + x \ne 0$ }