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prove that int1/(x(x^4+1))dx=1/4log(x^4/...

prove that `int1/(x(x^4+1))dx=1/4log(x^4/(x^4+1))+c`

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JEE MAINS PREVIOUS YEAR ENGLISH-JEE MAINS-All Questions
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  3. prove that int1/(x(x^4+1))dx=1/4log(x^4/(x^4+1))+c

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