Math Chapter Wise question with answer

Q01 Let A = 0 0 -1 0 -1 0 -1 0 0 The only correct statement about the matrix A is: English · EMRS PGT-2023 Q02 The system of equations: ax + y + z = α –1 x + αy + z = α –1 and x + y + αz = α –1 has no solution, if α is: English · EMRS PGT-2023 Q03 If α and β are the roots of the equation x2 + x + 1 = 0 then 1 β α β α β equals: English · EMRS PGT-2023 Q04 The matrix 3 0 0 0 4 0 0 0 5 is a: English · EMRS PGT-2023 Q05 The values of a and b in the equation 2a + b a - 2b 4 -3 = 5c -d 4c + 3d 11 24 are English · Bihar (TRE 2.0)-2023 Q06 If 1 0 3 0 A = and B = 0 2 0 4 then English · Bihar (TRE 2.0)-2023