MCQ
यदि $ \begin{bmatrix} x+y & y \\ 2 x & x-y\end{bmatrix} \begin{bmatrix} 2 \\ -1\end{bmatrix} = \begin{bmatrix} 3 \\ 2\end{bmatrix} $ तो $x y$ बराबर होगा
  • -5
  • B
    -4
  • C
    4
  • D
    5

Answer

Correct option: A.
-5
(A)

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