Question: cy [ k ] + 2 y [ k - 2 ] = f [ k ] where f [ k ] = 2 ^

cy[k]+2y[k-2]=f[k] where f[k]=2^(k)u[k] and
y[-2]=1 and y[-1]=0. Find the first three outputs y[0],y[1],y[2](10 points).
cy [ k ] + 2 y [ k - 2 ] = f [ k ] where f [ k ]

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