Question: ? ( 6 ) C o n s i d e r a c a u s a l L T I s y s

?(6)ConsideracausalLTIsystemcharacterizedbythefollowingdifferenceequation:
y[n]-(1)/(4)y[n-2]=2x[n-2]-(1)/(2)x[n]
Acausalandfinitelengthinput,x[n]isappliedtothesystemsuchthattheenergyoftheinput
is4units.Determinetheenergyoftheoutputproduced.
? ( 6 ) C o n s i d e r a c a u s a l L T I s y s

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