Class CBSE Class 12 Mathematics Matrices and Determinants Q #1831
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5 Marks 2026 AISSCE(Board Exam) LA
If $A = \begin{bmatrix} 0 & 2 & 1 \\ -2 & -1 & -2 \\ 1 & -1 & 0 \end{bmatrix}$, find $A^{-1}$ and use it to solve the following system of equations :
$-2y + z = 7, 2x - y - z = 8, x - 2y = 10$
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