$\"\"$

The integral is $\"\"$ and the substituttion is $\"\"$ .

Substituttion rule:

If $\"\"$ is a differentiable function whose range is an interval $\"\"$ and $\"\"$ is continuous on $\"\"$ , then

$\"\"$ .

Consider $\"\"$ .

Apply derivative on each side.

$\"\"$

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

$\"\"$

$\"\"$ .

Integral formula: $\"\"$ .

$\"\"$ .

Replace $\"\"$ in above expression.

$\"\"$ .

$\"\"$

$\"\"$ .