# Math Help - Find the integral of e^(x^2)

1. ## Find the integral of e^(x^2)

Much appreciated; thanks in advance.

2. Originally Posted by h2osprey
Much appreciated; thanks in advance.

3. Let me do part of it

u = X^2

du/dx = 2x = 2x^0.5
int e^(x^2) dx
= int e^u (du/dx)(dy/du)
=int e^u (2u^0.5)(dy/du)

then if i am not wrong do integration by parts?

4. Thanks for the help!

hitmen: That still can't be solved, go read the thread it's quite interesting.

5. Dunno if this will help you out a bit, but here you go:

Gaussian Integral -- from Wolfram MathWorld