50g

Hello,

I am studying the Fourier series,
And when I want to calculate a sum:
     	sum from 0 to infinity, 1/(2x+1)^4, and 
the calculator gives me: PSI (0.5, 3)/96

But I must find : PI^4/96

So how I can find it?! if it's possible....

Thanks a lot

Nico