Find the bandwidth for the signal: a)[(4/)[sin(2ft) + (1/3)sin(2(3f)t) + (1/5)sin(2(5f)t) +(1/7)sin(2(7f)t)] b) S(t)=sin(2ft)+sin(2(3f)t) c) a...

 

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Find the bandwidth for the signal: a)[(4/)[sin(2ft) + (1/3)sin(2(3f)t) + (1/5)sin(2(5f)t) +(1/7)sin(2(7f)t)] b) S(t)=sin(2ft)+sin(2(3f)t) c) a signal that ranges from 40 KHz to 4 MHz? Find the bandwidth for the signal: a)[(4/)[sin(2ft) + (1/3)sin(2(3f)t) + (1/5)sin(2(5f)t) +(1/7)sin(2(7f)t)] b) S(t)=sin(2ft)+sin(2(3f)t) c) a signal that ranges from 40 KHz to 4 MHz?

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