Question: 1 . ( 1 0 pts ) Consider a causal LTI system described by the difference equation y [ n ] + 1 2 y

1.(10 pts) Consider a causal LTI system described by the difference equation y[n]+12 y[n 1]= x[n](a) Find the frequency response H(e j) of this system using Discrete Time Fourier Transform. (b) What is the response of this system if x[n]=12 n u[n]

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