A 3rd-order lowpass filter is described by the difference equation y(n) = 0.0181x(n) + 0.0543x(n − 1) + 0.0543x(n − 2) + 0.0181x(n-3) +1.76y(n − 1) - 1.1829y(n − 2) +0.2781y(n − 3) - - Plot the magnitude and the phase response of this filter, 3.5

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