Question: 5 . [ 2 0 ] An LTI system has transfer function H ( z ) = Z : - z + 0 . 9

5.[20] An LTI system has transfer function H(z)= Z :-
z+0.9 a) If the input to this system is x[n]= cos (0.01), what is the output y[n]?
b) If the input to this system is x[n]= cos (0.99), what is the output y[n]?

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