1 / | | ___________ | / 2 4 | \/ x + 2*x dx | / 0
Integral(sqrt(x^2 + 2*x^4), (x, 0, 1))
___ 1 \/ 3 - - + ----- 6 2
=
0.699358737117772
Use the examples entering the upper and lower limits of integration.