The integral is .
Rewrite the integral as .
Assume .
Differentiate on each side with respect to .
Change in limits of integration:
\Lower limit: If , then
.
Upper limit: If , then
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Substitute the corresponding values in.
Consider .
Integration by parts formula :.
Let and
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Apply derivative on each side with respect to .
Apply integral on each side.
\.
Substitute the corresponding values in.
Substitute above result in .
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