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Find the value of the following determinant. |3−114| - Algebra

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प्रश्न

Find the value of the following determinant.

\[\begin{vmatrix}3 & - 1 \\ 1 & 4\end{vmatrix}\]
योग

उत्तर

\[\begin{vmatrix}3 & - 1 \\ 1 & 4\end{vmatrix} = 3 \times 4 - \left( - 1 \right) \times 1 = 12 + 1 = 13\]
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अध्याय 1: Linear Equations in Two Variables - Problem Set 1 [पृष्ठ २७]

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बालभारती Algebra (Mathematics 1) [English] 10 Standard SSC Maharashtra State Board
अध्याय 1 Linear Equations in Two Variables
Problem Set 1 | Q 4. (3) | पृष्ठ २७

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