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x314x3xdx is equal to 

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a
14x+log⁡|x|−316log⁡|2x−1|−916log⁡|2x+1|+C
b
14x−log⁡|x|−516log⁡|2x−1|−716log⁡|2x+1|+C
c
14x−log⁡|x|−716log⁡|2x−1|+916log⁡|2x+1|+C
d
14x+log⁡|x|−716log⁡|2x−1|−916log⁡|2x+1|+C

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detailed solution

Correct option is D

x3−14x3−x=14+14x−1x(2x−1)(2x+1)=14+1x−7812x−1−9812x+1∫x3−14x3−xdx=14x+log⁡|x|−716log⁡|2x−1|−916log⁡|2x+1|+C


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