Theory of Intelligence
11TH•Mathematics•Matrices And Determinants•Question 5

Part (ii): Solve $\begin{vmatrix} 1 & x-1 & 3 \\ -1 & x+1 & 2 \\ 2 & -3 & x \end{vmatrix} = 9$

Find the values of $x$ if:

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Part (ii): Solve ∣1x−13−1x+122−3x∣=9\begin{vmatrix} 1 & x-1 & 3 \\ -1 & x+1 & 2 \\ 2 & -3 & x \end{vmatrix} = 9

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