If $A = \begin{bmatrix} 0 & 2 \\ 3 & -4 \end{bmatrix}$ and $kA = \begin{bmatrix} 0 & 3a \\ 2b & 24 \end{bmatrix}$,then the values of $k, a, b$ are respectively

  • A
    $ -6, -12, -18$
  • B
    $-6, 4, 9$
  • C
    $ -6, -4, -9$
  • D
    $-6, 12, 18$

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