The sawtooth waveform in figure can be expressed in the form of a Fourier series as(a) Determine the Fourier series coefficients ck.(b) Use an N-point subroutine to generates samples of this signal in the time domain using the first six terms of the expansion for N = 64 and N = 128. Plot the signal x(t) and the samples generated, and comment on theresults.

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