$\"\"$

The integral is $\"\"$ .

Consider $\"\"$ .

Differentiate on each side with respect to $\"\"$ .

$\"\"$

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

$\"\"$

Integral of exponential function: $\"\"$ .

$\"\"$ .

Replace $\"\"$ in above expression.

$\"\"$

$\"\"$ .

$\"\"$

$\"\"$ .