Math Chapter Wise question with answer

Q01 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 Q02 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 Q03 If A and B are invertible matrices of the same order, then English · Bihar (TRE 2.0)-2023 Q04 If the area of a triangle with the vertices (-3, 0), (3, 0) and (0, k) is 9 sq. units, then the value of k is English · Bihar (TRE 2.0)-2023 Q05 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 Q06 Let T be the linear transformation from R3 into R3 defined by T(x, y, z) = (x − y + 2z, 2x + y, − x − 2y + 2z) then... English · NVS PGT 2022