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MHT CET 2022 Mathematics question

MathematicsMatricesMHT CET 2022

If A is non-singular matrix of order 3 such that , then is (where I is a unit matrix of order 3 and 0 is a null matrix of order 3)

Answer: (B)

Solution

Expand . Since A is non-singular, multiply by : , so . Divide by 6: , option (B). Check with the

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Question ID VK-094341