Mashaal Masha
Mashaal Masha
 Sep 19, 2022
0
Product of $\left[ \begin{matrix} x & y \\ \end{matrix} \right]\left[ \begin{matrix} 2 \\ -1 \\ \end{matrix} \right]$ is
Difficulty: Easy
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A: 

$\left[ 2x+y \right]$

B: 

$\left[ x-2y \right]$

C: 

$\left[ 2x-y \right]$

D: 

$\left[ x+2y \right]$

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Matrices and DeterminantsMathematics