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e2logx1+x61dx=

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a
13tan−1x3+C
b
16tan−1x6+C
c
12tan−1x2+C
d
None

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detailed solution

Correct option is A

I=∫e2log⁡x1+x6−1dxI=∫elog⁡x21+x6dx=13∫3x21+x6dx Let x3=t→3x2dx=dtI=13∫11+t2dt=13tan−1⁡(t)+CI=13tan−1⁡x3+C


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