1 / | | 3*x | x*E dx | / 0
Integral(x*E^(3*x), (x, 0, 1))
/ | 3*x | 3*x (-1 + 3*x)*e | x*E dx = C + --------------- | 9 /
3 1 2*e - + ---- 9 9
=
3 1 2*e - + ---- 9 9
1/9 + 2*exp(3)/9
Use the examples entering the upper and lower limits of integration.