If A = [1234]begin{bmatrix}1 & 2\3 & 4end{bmatrix}, then 2A = ?

  • [2468]begin{bmatrix}2 & 4\6 & 8end{bmatrix}
  • [2234]begin{bmatrix}2 & 2\3 & 4end{bmatrix}
  • [1468]begin{bmatrix}1 & 4\6 & 8end{bmatrix}
  • [3265]begin{bmatrix}3 & 2\6 & 5end{bmatrix}
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