Math Chapter Wise question with answer

Q01 If 1 1 1 A 1 2 3 2 1 3 = − − and A3 – 6A2 + 5A + 11 I = 0, where I is a 3×3 identity matrix, then A-1 is equal to: English · UKPSC Lecturer (Mains) 2020 Q02 The set of matrices S = x -x, 0 x R -x x ≠ ∈ forms a group under multiplication operations with identity element- English · Rajasthan TGT 2013 Q03 If A is an invertible matrix of order 2, then det (A-1) is equal to English · Bihar (TRE 2.0)-2023 Q04 If the order of matrix A = 4 × 3, order of matrix B = 4 × 5 and order of matrix C = 7 × 3, then the order of (At ×... English · NVS PGT 2022 Q05 If A and B are idempotent matrices of same order, then AB is idempotent matrix if and only if: English · DSSSB PGT 2021 Q06 11 12 13 11 12 13 21 22 23 21 22 23 31 32 33 b b b a a a A b b b, a a a b b b then order of matrix A is English · OAVS TGT 2021