Higher Secondary Question Paper Solution of Year 2022 Question No: A.1.b(ii)
\(\begin{pmatrix} 2 & 1 \\ 3 & 4 \\ \end{pmatrix} \times \begin{pmatrix} x \\ y \end{pmatrix} = \begin{pmatrix} 1 \\ -1 \end{pmatrix}\) হলে x ও y-এর মান নির্ণয় করো ।

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