Math Chapter Wise question with answer

Q01 A matrix A = α β γ −α is such that A2 = I, then: English · KVS PGT 2023 Q02 If A is a square matrix such that A2 = I, then (A – I)3 + (A + I)3 – 7A equals: English · NVS PGT 2022 Q03 Given 2x−y+2z=2 x − 2y + z = − 4 x + y +λz = 4 Then the value of λ such that the given system of equations has no s... English · NVS PGT 2022 Q04 If A and B are square matrices of order 3 such that det A = −1 and det B = 3, then is: English · NVS PGT 2022 Q05 If A = 1 2 1 0 andB 3 5 0 2 = − are two matrices and X is a matrix such that A = BX, then matrix X is: English · KVS PGT 2022 Q06 If B is a matrix such that B2 = B and A = I – B, then which of the following is not correct? English · UP PGT 2021