EC > GATE 2017 SET-1 > Discrete-time signals and systems
Two discrete-time signals x[n] and h[n] are both non-zero only for n=0,1,2, and are zero otherwise. It is given that x[0]=1, x[1]=2, x[2]=1, h[0]=1. Let y[n] be the linear convolution of x[n] and h[n]. Given that y[1]=3 and y[2]=4, the value of the expression (10y[3]+y[4]) is
Correct : 31
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