1. ## integration by substitution

intergrate e^x(1+X)dx

2. do you mean;
(1)$\displaystyle \int(x+1)e^xdx$
or
(2)$\displaystyle \int e^{x(x+1)}dx$?

3. Originally Posted by putnam120
do you mean;
(1)$\displaystyle \int(x+1)e^xdx$
or
(2)$\displaystyle \int e^{x(x+1)}dx$?
He means the first one, the second one cannot be done.