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Maharashtra HSC Class 12 (Commerce) Mathematics — practice questions

4 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.

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A matrix with the same number of rows and columns is calledIf A is invertible, then A × A⁻¹ equalsDeterminant of a 2×2 matrix [[a,b],[c,d]] equalsIf A is a 3×3 matrix with det(A) = 5, then det(2A) is