The integral is .
Find the integral using integration by parts.
\Integration by parts formula: .
Assume and
.
Find by integrating
.
Consider .
Differentiate on each side with respect to .
\
.
Substitute ,
and
in integration by parts formula.
Consider .
Find the integral using integration by parts.
\Let and
.
.
Differentiate on each side with respect to .
Substitute ,
and
in integration by parts formula.
\ \
.
.
Substitute the result in the expression .
.
.