A periodic function y=|x| for -≤x≤ is shown below. (1) Is this function even or odd or neither? (2) Calculate the Fourier series coefficients. Hint: Use integration by parts. 0 f(x)=0+) +[a, cos(nwx)+b, sin(nox)] 2 nol 2 21 = b, f(x)cos(nox)dx, b₁ = f(x) sin(nox)dx where an