$A$ message signal of frequency $14 kHz$ is used to modulate a carrier of frequency $900 kHz$. The frequencies of the sidebands are:

  • A
    $914 kHz, 886 kHz$
  • B
    $920 kHz, 880 kHz$
  • C
    $907 kHz, 893 kHz$
  • D
    $900 kHz, 914 kHz$

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