Question
निश्चयकाची किंमत काढा. $\left|\begin{array}{cc}3 & -1 \\ 1 & 4\end{array}\right|$

Answer

$\left|\begin{array}{cc}3 & -1 \\ 1 & 4\end{array}\right|=3 \times 4-[(-1) \times 1]$
= 12 + 1
= 13

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