# Fourier's Serier

• November 12th 2009, 10:45 AM
durham2
Fourier's Serier
f(x)= x^2 , 0 <= x <= 1

x , -1 <= x <= 0

I found a[o] put having trouble finding a[n].
• November 12th 2009, 02:13 PM
Jose27
Where are you stuck finding $a_n$? I think you need to integrate by parts twice for the first and one time for the second.