1 / | | ________ | 3 / 2 | x *\/ 1 + x dx | / 0
Integral(x^3*sqrt(1 + x^2), (x, 0, 1))
Rewrite the integrand:
SqrtQuadraticDenomRule(a=1, b=0, c=1, coeffs=[1, 0, 1, 0, 0, 0], context=(x**5 + x**3)/sqrt(x**2 + 1), symbol=x)
Now simplify:
Add the constant of integration:
The answer is:
/ | | ________ ________ / 4 2\ | 3 / 2 / 2 | 2 x x | | x *\/ 1 + x dx = C + \/ 1 + x *|- -- + -- + --| | \ 15 5 15/ /
___ 2 2*\/ 2 -- + ------- 15 15
=
___ 2 2*\/ 2 -- + ------- 15 15
Use the examples entering the upper and lower limits of integration.