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Homework Statement
[tex]\int\frac{1}{x^{2n} + 1}[/tex]
Homework Equations
De moivre's theorem
The Attempt at a Solution
I am sorry moderators. I had posted this problem earlier on PF but i got no replies so i had to do it again.
I have tried almost every possible substitution. But in vain. So just one way left. Factorize the denominator using de moivre's theorem. I don't know why i am using de moivre but i do think that we may get some ease doing this integral by this method