3. Consider the exponential Fourier Series basis set on (t) = ej27nt/T, te [to, to + T], n=0, +1, +2, .... (a) Find the Fourier Series representation for the signal x(t) = u(t+1) u(t-1). (b) Find a compressed approximation for x(t) that uses only 10 Fourier Series co- efficients. 3. Consider the exponential Fourier Series basis set on (t) = ej27nt/T, te [to, to + T], n=0, +1, +2, .... (a) Find the Fourier Series representation for the signal x(t) = u(t+1) u(t-1). (b) Find a compressed approximation for x(t) that uses only 10 Fourier Series co- efficients