Question

Area of the region enclosed between the curves $x=y^2-1$ and $x=|y|\sqrt{1-y^2}$ is

Answer 1

Answer: 2

$A=2\underset{0}{\overset{1}{\int }}\left[y\sqrt{1-y^2}-\left(y^2-1\right)\right]dy$
$=2sq$. units.