$\"\"$

The curve equations are $\"\"$ and $\"\"$ .

Graph the functions $\"\"$ and $\"\"$ .

Shade the required region.

$\"\"$

Observe the graph :

Area enclosed by the curves is sum of the area of the region 1, 2, 3 and 4.

$\"\"$

Therefore,

$\"\"$

$\"\"$ .

Area enclosed by the curves is $\"\"$ .

$\"\"$

Area enclosed by the curves is $\"\"$ .