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a) A discrete - time signal, x[n], is defined by, x[n] 1, 1, 0, n=0,1,2 n = -1,-2 elsewhere Sketch: i) x[n] [2 marks] ii)

a) A discrete - time signal, x[n], is defined by, x[n] 1, 1, 0, n=0,1,2 n = -1,-2 elsewhere Sketch: i) x[n] [2 marks] ii) x[n+6] [2 marks] x [2n + 3) [2 marks]

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