Question

Integrate 1/(x+x^2)

Answer 1

looks like substitution and and hyperbolic trig function

Answer 2

x+x^2 = (x+1/2)^2 - 1/4

Answer 3

Partial Fractions!

Answer 4

so take u = x+1/2 and work it out

Answer 5

Oh no, wait; I'd go with hoblos.

Answer 6

Oh, I see. I used the wrong substitution. Thank you.