Math Chapter Wise question with answer

Q01 A square matrix A is singular if and only if its: English · OPSC PGT 2017 Q02 If A is a n × n non singular matrix, then adj(adj A) is equal to: English · OPSC PGT 2017 Q03 If α is an eigenvalues of a nonsingular matrix A then corresponding eigenvalues of adjoint of A will be: English · OPSC PGT 2017 Q04 Let (H, <..>) be an inner product space, then for a, b∈H, the relation 2 2 2 2 x y x y 2 x 2 y is known as: English · OPSC PGT 2017 Q05 The value of ∑ n k n k k=0 3 C is English · Bihar (TRE 2.0)-2023 Q06 Let () [ ] ∈ ∞ 2 2 nx gn x =,x 0, 1+ n x Which of the following is true as n → → → ∞ ∞ ∞? English · Bihar (TRE 1.0) -2023