Which one of the following correctly states the condition under which a square matrix…

MATHEMATICS · Single correct · CBSE · Mathematics · Determinants · Determinants

Problem

Which one of the following correctly states the condition under which a square matrix AA of order nn possesses an inverse? (a) trace⁡(A)=0\operatorname{trace}(A)=0 (b) det⁡(A)≠0\det(A)\neq0 (c) det⁡(A)=0\det(A)=0 (d) det⁡(A)=1\det(A)=1

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