Multiply two given matrices, then use the product to solve the 3x3 system

CBSE Class 12 · Mathematics · Determinants · similar questions asked in 3 years (2023, 2025, 2026)

2 of the 3 questions can be tried here.

1. Q1 2023 5 marks

   If $A=\begin{bmatrix}-3&-2&-4\\2&1&2\\2&1&3\end{bmatrix}$…

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2. Q2 2025 5 marks

   Given $A = \begin{bmatrix} -4 & 4 & 4 \\ -7 & 1 & 3 \\ 5 & -3 & -1 \end{bmatrix}$ and…

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