Question: A signal e-at sin (?t) is the input to a real linear time invariant system. Given K and ? are constants, the output of the system will be of the form Ke-bt sin (vt + ?). The correct statement among the following is __

Options

A : b need not be equal to a but v must be equal to ?

B : v need not be equal to ? but b must be equal to a

C : b must be equal to a and v must be equal to ?

D : b need not be equal to a and v need not be equal to ?

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