Fourier Transform Problem

1. Sep 17, 2010

pedro_bb7

[PLAIN]http://img716.imageshack.us/img716/3663/semttulont.png [Broken]

f(x) = 0 (|x| > 1)
= x² (|x| < 1)
I know that thing on integral is [F(x)]^2, but I have no clue what to do now.

Last edited by a moderator: May 4, 2017
2. Sep 17, 2010

vela

Staff Emeritus
Try applying Parseval's theorem.

3. Sep 17, 2010

pedro_bb7

Thanks, that is the right way.
Could you check the answer for me? $$\frac{\pi}{5}$$

4. Sep 17, 2010

vela

Staff Emeritus
5. Sep 17, 2010