Ex 3.4, 1 (MCQ) - Chapter 3 Class 12 Matrices

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Ex 3.4, 1 (MCQ) - Matrices A and B will be inverse only if [Video] - Ex 3.4

part 2 - Ex 3.4, 1 (MCQ) - Ex 3.4 - Serial order wise - Chapter 3 Class 12 Matrices

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Ex 3.4, 1 Matrices A and B will be inverse of each other only if A. AB = BA B. AB = BA = O C. AB = O, BA = I D. AB = BA = I Given that A & B will be inverse of each other i.e. A-1 = B & B-1 = A We know that From (1) & (2) AB = BA = I So, the correct answer is D From (1) & (2) AB = BA = I So, the correct answer is (D)

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