Find inverse of 3x3 matrix A, then solve the given linear system with it

CBSE Class 12 · Mathematics · Determinants · similar questions asked in 2 years (2024, 2026)

Q1 2024 5 marks

If $A = \begin{bmatrix} 1 & -2 & 0 \\ 2 & -1 & -1 \\ 0 & -2 & 1 \end{bmatrix}$, find $A^{-1}$ and use it to…
Q2 2026 5 marks

If $A = \begin{bmatrix} 0 & 2 & 1 \\ -2 & -1 & -2 \\ 1 & -1 & 0 \end{bmatrix}$, find $A^{-1}$ and use it to…