If u=inte^(ax)sin " bx dx" and v=inte^...

If `u=inte^(ax)sin " bx dx" and v=inte^(ax)cos " bx dx then "(u^(2)+v^(2))(a^(2)+b^(2))=`

A

`2e^(ax)`

B

`(a^2+b^2 )e^(2ax)`

C

`e^(2ax)`

D

`(a^2 -b^2)e^(ax)`

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The correct Answer is:

C

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