Question: A signal x ( t ) is given by x ( t ) = 3 cos ( 2 5 0 t / 6 ) and

A signal x(t) is given byx(t)=3cos(250t/6)and its spectrum has the form
What is the value off1? Note that the frequency axis is given in units of Hertz.
Group of answer choices
250
3
125
250

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