Q33) Determine the causality for each of the following linear systems. (a) y(n) = 0.5 x(n) + 20 x(n - 2) (b) y(n) = x(n+ 2) – 0.4 y(n- 1) (c) у(п) - х(п - 1) + 0.5 у(п + 2) y(n x(n - 1) + 0.5 y(n + 2) %3D

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A:

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