Evaluate ∫xexdx\int x e^x dx∫xexdx using integration by parts.
xex−ex+Cxe^x - e^x + Cxex−ex+C
xex+ex+Cxe^x + e^x + Cxex+ex+C
ex(x+1)+Ce^x(x+1) + Cex(x+1)+C
x2ex+Cx^2 e^x + Cx2ex+C