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Communication Systems - Engineering

Q1:

The F.T. of {e-1 ∪(t)} is equal to . Therefore
is

A ef ∪ (f)

B e-f ∪ (f)

C ef ∪ (-f)

D e-f ∪ (-f)

ANS:C - ef ∪ (-f)

Apply duality property. j F[g(t)]  G(f) F[G(t)]  G(-f).