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Write the Value of the Determinant - Mathematics

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प्रश्न

Write the value of the determinant 
\[\begin{bmatrix}2 & 3 & 4 \\ 2x & 3x & 4x \\ 5 & 6 & 8\end{bmatrix} .\]

 

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उत्तर

\[Let \Delta = \begin{vmatrix} 2 & 3 & 4\\ 2x & 3x & 4x \\ 5 & 6  & 8 \end{vmatrix}\] 
\[ = x\begin{vmatrix} 2 & 3 & 4\\ 2 & 3 & 4 \\ 5 & 6 & 8 \end{vmatrix} \left[\text{ Taking out x common from }R_2 \right]\] 
\[ = 0\] 

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पाठ 6: Determinants - Exercise 6.6 [पृष्ठ ९०]

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आरडी शर्मा Mathematics [English] Class 12
पाठ 6 Determinants
Exercise 6.6 | Q 3 | पृष्ठ ९०

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