CBSE Class 12 Mathematics 2026 Supplementary Paper 65(B)/7 · Q31 Marksmatrix_types CBSE Class 12 Mathematics 2026 Supplementary Paper 65(B)/7 · Question 3 (Matrices) Classify B=[[0,0,7],[0,7,0],[−7,0,0]]. (A) Skew-symmetric(B) Square(C) Identity(D) Diagonal