Math Chapter Wise question with answer

Q01 Let 3× × ×3 real matrix A be of rank 2 and 1 1 0 B = 0 1 0 Then the rank of A.B: 1 0 1 English · UP PCS (Pre) 2002 Q02 If B is a non-zero 3× × ×1 matrix and A is a non-zero 1× × ×3 matrix and if r denotes the rank of AB then English · UP PCS (Pre) 2008 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 P'(x', y') is the reflection of the point P(x, y) on the x-axis, then the matrix which describe the reflection o... English · EMRS TGT-2023 Q05 A matrix A = α β γ −α is such that A2 = I, then: English · KVS PGT 2023 Q06 If matrix A = 2 5 5 0 3 1 0 1 3 −, then Eigen value of the matrix A is: English · KVS PGT 2023