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CBSE Class 12 Math 2023 Delhi Set 1 Solved Paper

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SECTION - C
This section comprises of Short Answer (SA) type questions of 3 marks each.
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Question : 26 of 38
Marks: +1, -0
If A=[1233−21421]A=\begin{bmatrix} 1 & 2 & 3 \\ 3 & -2 & 1 \\ 4 & 2 & 1 \end{bmatrix}, then show that A3−23A−40I=OA^3-23A-40I=O
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