If $A = [2]$ and $B = \begin{bmatrix} 3 \\ 4 \end{bmatrix}$,then $(BA)' = $ . . . . . . .

  • A
    $[3 \quad 4]$
  • B
    $\begin{bmatrix} 3 & 6 \\ 4 & 8 \end{bmatrix}$
  • C
    $\begin{bmatrix} 4 & 8 \\ 6 & 3 \end{bmatrix}$
  • D
    $\begin{bmatrix} 3 & 4 \\ 6 & 8 \end{bmatrix}$

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