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If $\begin{vmatrix} x & x \\ 1 & x \end{vmatrix} = \begin{vmatrix} 3 & 4 \\ 1 & 2 \end{vmatrix} $write the positive value of x.

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  • The above given two matrices are equal,hence their corresponding elements should be equal.
$\Rightarrow x=3,x=4,x=2.$
So the positive value of x=3,4,2
answered Mar 29, 2013 by sreemathi.v
 

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