In amplitude modulation, sinusoidal carrier frequency used is denoted by ωc and the signal frequency is denoted by ωm . The bandwidth ( Δωm ) of the signal is such that Δωm<ωc . Which of the following frequencies is not contained in the modulated wave? [Main 2017]
a. ωm+ωc
b. ωc−ωm
c. ωm
d. ωc