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Consider the system described by the following input-output relation: y[n] = x[n]x[n 1] Determine whether the system is i) Linear. ii) Time-invariant. iii) Casual.

Consider the system described by the following input-output relation: y[n] = x[n]x[n 1] Determine whether the system is i) Linear. ii) Time-invariant. iii) Casual. Hint: It might be more convenient to draw the system block diagram.

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