The integral function is .
The value of the function is , where
and
are continuous.
Evaluate the integral using integration by parts.
\Integration by parts formula : .
Assume and
.
Consider .
Differentiate on each side.
\.
.
Integrate on each side.
\.
Substitute the corresponding values in the formula.
\Consider .
Assume and
.
Consider .
Differentiate on each side.
\.
.
Integrate on each side.
\.
Substitute the corresponding values in the formula.
\Substitute equation (2) in equation (1).
\Thus, .
.