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intx/(x^(4)-1)dx=...

`intx/(x^(4)-1)dx=`

A

(a) `1/4logabs((x^(2)-1)/(x^(2)+1))+c`

B

(b) `1/4logabs((x^(2)+1)/(x^(2)-1))+c`

C

(c) `1/2logabs((x^(2)-1)/(x^(2)+1))+c`

D

(d) `1/2logabs((x^(2)+1)/(x^(2)-1))+c`

Text Solution

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The correct Answer is:
A
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