1. ## integral help

hey i am new around here, i am just trying to integrate:
(x+1)sqrt(x^2+2x-5)
not too sure, but i made u = x^2+2x-5, then du/dx = 2x +2
help?

2. Originally Posted by iExcavate
hey i am new around here, i am just trying to integrate:
(x+1)sqrt(x^2+2x-5)
not too sure, but i made u = x^2+2x-5, then du/dx = 2x +2
help?
So $(x+1)dx = \frac{du}{2}$ and your integral becomes $\frac{1}{2} \int u \sqrt{u}\,du$