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An amplitude modulated signal is given by V(t) = 10[1 + 0.3cos(2.2 × 10 4 t)] sin(5.5 × 10 5 t). Here t is in seconds. The sideband frequencies (in kHz) are, [Given π = 22/7]

1. 892.5 and 857.5
2. 89.25 and 85.75
3. 1785 and 1715
4. 178.5 and 171.5

Correct answer: 89.25 and 85.75

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