oo / | | x + 1 | x | -------- dx | (x + 1)! | / 0
Integral(x^(x + 1)/factorial(x + 1), (x, 0, oo))
oo / | | 1 + x | x | -------- dx | (1 + x)! | / 0
=
oo / | | 1 + x | x | -------- dx | (1 + x)! | / 0
Integral(x^(1 + x)/factorial(1 + x), (x, 0, oo))
Use the examples entering the upper and lower limits of integration.