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Find the Value of X, If ∣ ∣ ∣ 3 X 7 2 4 ∣ ∣ ∣ = 10 , Find the Value of X. - Mathematics

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प्रश्न

Find the value of x, if

\[\begin{vmatrix}3x & 7 \\ 2 & 4\end{vmatrix} = 10\] , find the value of x.

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उत्तर

\[\text{ Given }: \begin{vmatrix}3x & 7 \\ 2 & 4\end{vmatrix} = 10\]
\[ \Rightarrow 12x - 14 = 10\]
\[ \Rightarrow 12x = 24\]
\[ \Rightarrow x = 2\]

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पाठ 6: Determinants - Exercise 6.1 [पृष्ठ १०]

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आरडी शर्मा Mathematics [English] Class 12
पाठ 6 Determinants
Exercise 6.1 | Q 10.4 | पृष्ठ १०

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