Latest NDA Aptitude Question SOLUTION: If A and B are two non-singular square matrices such that AB = A, then which one of the following is correct ? (a) B is an identity matrix (b) B = A^–1 (c) B = A^2 (d) Determinan

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(#M40026576) NDA question Mental Ability Keep an EYE

If A and B are two non-singular square matrices such that AB = A, then which one of the following is correct ?
(a) B is an identity matrix (b) B = A^–1
(c) B = A^2 (d) Determinant of B is zero

Asked In NDA MAN (10 years ago)

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