Question: Consider an LTI system with frequency response Determine the output y [n] for all n if the input for all n is x[n] = cos

Consider an LTI system with frequency response

Determine the output y [n] for all n if the input for all n is

x[n] = cos (?n/2).

H(el") = e-ilw-}) 1+e-i2w + 4e-iku 1+te-izw

H(el") = e-ilw-}) 1+e-i2w + 4e-iku 1+te-izw

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