What is the integral of (x^2/(1+x^2))dx?

1 ⤊

2007-03-28 17:32:07 · 2 answers · asked by Joe 1 in Science & Mathematics ➔ Mathematics

You will have to divide x^2 by 1+x^2 first to get 1 - 1/(1+x^2). Then you integrate the quotient to get

x - arctan x + C

Hope that helps.

2007-03-28 17:36:39 · answer #1 · answered by Moja1981 5 · 1⤊ 1⤋

integration by parts to get...
integral of 1 - [1/(1+x^2)] dx. Then we have

x - arctan x + C

2007-03-29 00:43:11 · answer #2 · answered by Roger M 2 · 0⤊ 1⤋