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Class 12 Matrices · Mcq Single Correct1 Marksmatrix_linear_combinations

Class 12 Maths · Matrices · Mcq Single Correct #7

If A=\(\begin{bmatrix}3 & 4\\5 & 2\end{bmatrix}\) and 2A+B=O, find B.

✅ Step-by-Step Solution

Final Answer: Option (B): \(\begin{bmatrix}-6 & -8\\-10 & -4\end{bmatrix}\)
  1. B=−2A=[[-6,−8],[−10,−4]].

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