00 Using 2a0² + (a,² + b₁²) = 1½" f(x)2 dx, find the following sum. (Recall the x² Fourier series.) n = 1 1 + + + = 1 24 1 34 -π Compute the first few partial sums to see that the convergence is rapid. (Round your answers to four decimal places.) S₁ = S₂ = 53 = S4= S5 =