Recent content by redfilth

  1. R

    Can substitution help solve this antiderivative problem?

    :confused: Problem: (x^2+2x)/sqrt[x^3+3x^2+1] = 2/3/sqrt[(x+3x)^2+1] is this the answer?:confused: i don't knw how to solve it stepbystep.. can someone show me pls?