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

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

B:

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

C:

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

D:

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

ID: 63285d9ceff04cdbd017e7f1