1 / | | (5*x - 1)*1 dx | / 0
Integral((5*x - 1*1)*1, (x, 0, 1))
/ 2 | 5*x | (5*x - 1)*1 dx = C - x + ---- | 2 /
3/2
=
1.5
Use the examples entering the upper and lower limits of integration.