Integral of x^4/(1 - x^2)

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[@toony966]

Nice!

[@ghost_dxs]

If we write x^4→-x^2(1-x^2)-1(1-x^2)+1 it will be even shorter..

[@x81shreyasdhoke93]

That will give you x^4 - 1 not just x^4

[@Sg190th]

Isn't the right side just arctanh(x)?