If A is a square matrix of order `2xx2` and `B=[(1,2),(3, 4)]`, such that `AB=BA`, then A can be

If A is square matrix of order 2xx2 such that A^(2)=I,B=[{:(1,sqrt(2)),(0,1):}] and C=ABA then

If A is a square matrix of order 3 and |A|=2 , then the value of |-A A'| is

If A is a square matrix of order 2xx2 such that |A|=27 , then sum of the infinite series |A|+|1/2A|+|1/4 A|+|1/8 A|+... is equal to _______ .

If A is a square matrix of order 3 and |A|=5 , then value of |2A'| is

If A is a non- singular square matrix of the order 3xx3 such that A^2=3A then (A) -3 (B) 3 (C) 9 (D) 27

If A is a square matrix of order 3 such that abs(A)=2, then abs((adjA^(-1))^(-1)) is

If A is matrix of order mxxn and B is a matrix such that AB' and B'A are both defined , then order of matrix B is

If A is a square matrix of order 3 such that |A|=2 , then |(adjA^(-1))^(-1)| is

If is A is a matrix of order 3xx3 , then (A^(2))^(-1) is equal to…………….

If A and Bare square matrices of same order such that AB = A and BA = B, then AB^(2)+B^(2)= : a) AB b) A+B c) 2AB d) 2BA