# finding area under a weird curve and lines

• January 21st 2008, 12:01 PM
Tuugii
finding area under a weird curve and lines
hey all, I need a help to find the exact area under the graph of
f(x) = x*e^(x^2) between x = 1 and x = 3.

thanks a lot,
Tuugii
• January 21st 2008, 12:10 PM
Krizalid
Quote:

Originally Posted by Tuugii
hey all, I need a help to find the exact area under the graph of
f(x) = x*e^(x^2) between x = 1 and x = 3.

This is just to compute

$\int_1^3 {xe^{x^2 } \,dx} ,$ and this is a trivial integral to solve.
• January 21st 2008, 12:22 PM
Tuugii
got it! thanks :)