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int(3x+1)cos2xdx

1 Answer

Step 1:

Rewrite.

Consider .

Find the integral using integration by parts.

Integration by parts formula: .

Here

Consider .

Differentiate on each side.

.

Integrate on each side.

Step 2:

Substitute the corresponding values.

Substitute the above result in the integral.

Solution:

answered Nov 23, 2015 by cameron Mentor
edited Nov 23, 2015 by cameron

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