If A is a `3xx3` non-singular matrix such that `A A' = A' A`
and `B = A^(-1)A'` then `B B'` equals to

If A is an 3xx3 non-singular matrix such that A A^'=A^' A and B""=""A^(-1)A^' , then BB' equals (1) I""+""B (2) I (3) B^(-1) (4) (B^(-1))^'

If A is an 3xx3 non-singular matrix such that A A^T=A^TA and B=A^(-1)A^T," then " B B^T equals

If A is a non - singular matrix then

If A is a non-singular matrix such that A A^T=A^T A and B=A^(-1)A^T , the matrix B is a. involuntary b. orthogonal c. idempotent d. none of these

If A is a non-singular square matrix such that |A|=10 , find |A^(-1)|

If A is a non-singular matrix of order nxxn such that 3ABA^(-1)+A=2A^(-1)BA , then

If A is a non-singular matrix, prove that (a d j\ A)^(-1)=(a d j\ A^(-1)) .

If A is a 2xx2 non singular matrix, then adj(adj A) is equal to :

If A is a 2xx2 non singular matrix, then adj(adj A) is equal to :

Let A and B are two non - singular matrices of order 3 such that A+B=2I and A^(-1)+B^(-1)=3I , then AB is equal to (where, I is the identity matrix of order 3)