Question

if A is square matrix ans B is inverse of Athen AB is equals to​

Answer 1

If B is the inverse of A, then A is also the inverse of B. (ii) Theorem 3 (Uniqueness of inverse) Inverse of a square matrix, if it exists, is unique. (iii) Theorem 4 : If A and B are invertible matrices of same order, then (AB)–1 = B–1A–1.

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