1.

The AM wave contains three frequencies , viz :

Answer»

`(f_(C))/(2) , (f_(c) + f_(s))/(2) , (f_(c) - f_(s))/(2)`
`2 f_(c) , 2 (f_(c) + f_(s)) , 2 (f_(c) - f_(s))`
`f_(c) , (f_(c) + f_(s)) , (f_(c) - f_(s))`
`f_(c) , f_(c) ,f_(c)`

ANSWER :C


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