Question

Integrate!

Answer 1

Integrate x^3/(x^4+3x^2+2)

Answer 2

x^4+3x^2+2=(x^2+1)(x^2+2)

Answer 3

TY!

Answer 4

use partial fraction decomposition

Answer 5

x^3/(x^2+1)(x^2+2)=2x/(x^2+2) -x/(x^2+1)

Answer 6

Integrate x^3/(x^4+3x^2+2)=log(x^2+2)-(1/2)log(x^2+1)+C