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int (0)^(pi//6) (2+3x^(2))cos 3 xdx is ...

` int _(0)^(pi//6) (2+3x^(2))cos 3 xdx ` is equal to

A

`4/9-pi^(2)/18`

B

`4/9+pi^(2)/18`

C

`4/9-pi^(2)/36`

D

`4/9+pi^(2)/36`

Text Solution

Verified by Experts

The correct Answer is:
D
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