- #1
Destroxia
- 204
- 7
Homework Statement
Evaluate the integral using usub
int(x*sqrt(1+x)dx) from 0 to 8
Homework Equations
The Attempt at a Solution
Okay, so I attempted to set for u sub
U = x+1
u^2 = (x+1)^2
2u*du = 2(x+1)*dx
u*du -1 = x*dx
I got this far but I don't understand what to do with this, because of the (-1), separate from the u*du