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electronics and communication engineering signals and systems
1. Let f1(t) = G1(t) + 4, f2(t) = G2(t) + 3. If G1(t) and G2(t) are uncorrected then the correlation between f1(t) and f2(t) are
(A): 12
(B): 6
(C): 7
(D): zero
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