CBSE Class 12 Mathematics 2026 Main Paper 65/1/2 · Q171 Markstranspose CBSE Class 12 Mathematics 2026 Main Paper 65/1/2 · Question 17 (Matrices) For symmetric matrices A,B of the same order, which expression is always skew-symmetric? (A) A²+B²(B) A²−B²(C) AB+BA(D) AB−BA