Let A and B be two matrices different from I such that AB = BA and A n – B n is…

Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants

1. I – A is singular
2. I – B is singular
3. A = B
4. (I – A) (I – B) is non-singular

Answer

(A) I – A is singular, (B) I – B is singular

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