Find the sum of ( frac{1}{1^2} + frac{1}{3^2} + frac{1}{5^2} ) + using Fourier series expansion if f(x) = a when [0, ] and 2 x when [ , 2 ].

Find the sum of ( frac{1}{1^2} + frac{1}{3^2} + frac{1}{5^2} ) +

1.	Find the sum of ( frac{1}{1^2} + frac{1}{3^2} + frac{1}{5^2} ) + using Fourier series expansion if f(x) = a when [0, ] and 2 x when [ , 2 ].
A.	( frac{ ^2}{8} )
B.	( frac{ ^2}{4} )
C.	( frac{ ^2}{16} )
D.	( frac{ ^2}{2} )
Answer» B. ( frac{ ^2}{4} )