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int (x^(4) + 2x-1) sin 3x dx....

`int (x^(4) + 2x-1) sin 3x dx`.

Text Solution

Verified by Experts

The correct Answer is:
`(9x^(2) + 18x -11)/( 27) cos 3x + (2x+2)/( 9) sin 3x+C`.
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