Mathematics

Mathematics

Problem

Let A and B be any two 3×33 \times 3 matrices. If A is symmetric and B is skewsymmetric, then the matrix AB−BAAB - BA is : [JEE-MAIN ONLINE-2014] (1) neither symmetric nor skewsymmetric (2) skewsymmetric (3) symmetric (4) II or −I-I , where II is an identity matrix.

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