Higher Secondary Question Paper Solution of Year 2022 Question No: A.1.b(iii)
\(\begin{vmatrix} 5 & 4 \\ 3 & 2 \\ \end{vmatrix} = \begin{vmatrix} 2x & 7 \\ x & 3 \\ \end{vmatrix}\) হলে x -এর মান নির্ণয় করো ।

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