Class 12 Matrices · Mcq Single Correct1 Marksmatrix_polynomials
Class 12 Maths · Matrices · Mcq Single Correct #15
For A=\(\begin{bmatrix}4 & 2\\-1 & 1\end{bmatrix}\), find (A−2I)(A−3I).
✅ Step-by-Step Solution
Final Answer: Option (D): O
- A−2I=[[2,2],[−1,−1]] and A−3I=[[1,2],[−1,−2]]. Their product is the zero 2×2 matrix.
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