- #1

splitendz

- 32

- 0

Evaluate the integral e^(4u) * e^(-e^u)du. The upper limit is inifinity and the lower limit is 0.

I'm letting x = e^(u) or u = 1 in the hope to have the function looking similar to the gamma function. But I'm having no luck as du/dx will be equal to zero in this case.

Help please! :)