I am stuck for weeks...

integral from 0 to infinity 1/(1+x^(2n)) dx

someone told me tips... but I still can't solve

tips:x^n=tan

Could anyone teach me how to solve it step by step?

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- March 30th 2009, 06:46 AMmymaydayyaA integral problem hard to solve
I am stuck for weeks...

integral from 0 to infinity 1/(1+x^(2n)) dx

someone told me tips... but I still can't solve

tips:x^n=tan

Could anyone teach me how to solve it step by step? - March 30th 2009, 07:06 AMNonCommAlg
let then therefore:

the last identity is true by Euler's reflection formula. - March 30th 2009, 07:21 AMmymaydayya
- March 30th 2009, 10:32 AMNonCommAlg