2.9-5 (a) Sketch the signal g(t) = t and find the exponential Fourier series to represent g(t) over the interval (-л, л). Sketch the Fourier series (t) for all values of t. (b) Verify Parseval's theorem [Eq. (2.103b)] for this case, given that ΣΗ IM8 -12 - 96