Determinants

CBSE Class 12 · Mathematics · 30 past questions

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1. Q1 2026

   If $\Delta_1 = \begin{vmatrix} 1 & 0 & 0 \\ 0 & 2 & 0 \\ 0 & 0 & 3 \end{vmatrix}$ and…

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2. Q4 2026

   For a square matrix A, (3A)$^{-1}$ =

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