If , then (A) 3 (B) 4 (C) 5 (D) 8 contexto.140 3 years ago Sol. Correct answer option is (none of these)
![\left[\begin{array}{ll}2 x-y & 5 \\ 3 & \mathrm{y}\end{array}\right]=\left[\begin{array}{ll}6 & 5 \\ 3 & -2\end{array}\right]](https://www.learnatnoon.com/s/wp-content/ql-cache/quicklatex.com-4b795a404144fdb77f9a46aab4e01fbf_l3.png "Rendered by QuickLaTeX.com")
