Find the Value of the Following Determinant. ∣ ∣ ∣ 3 − 1 1 4 ∣ ∣ ∣ - Algebra

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Sum

Find the value of the following determinant.

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

\[\begin{vmatrix}3 & - 1 \\ 1 & 4\end{vmatrix} = 3 \times 4 - \left( - 1 \right) \times 1 = 12 + 1 = 13\]
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Chapter 1: Linear Equations in Two Variables - Problem Set 1 [Page 27]

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Balbharati Maths 1 Algebra 10th Standard SSC Maharashtra State Board
Chapter 1 Linear Equations in Two Variables
Problem Set 1 | Q 4.3 | Page 27

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