Q.
The area of the region
$A = [(x, y): 0 \leq y \leq x|x|+1$ and $-1 \leq x \leq 1]$ in sq. units is :
Solution:
The graph is a follows
$\int^{0}_{-1} \left(-x^{2} +1\right)dx + \int^{1}_{0} \left(x^{2} +1\right)dx = 2 $