If A is a singular matrix then adj A is

If A is a singular amtrix, then adj A is

If A is a singular matrix, then A adj A is: (i) Identity Matrix (ii) Scalar Matrix (iii) Null Matrix (iv) None of these

If A is a singular matrix, then A (adj A) is a

If A is a singular matrix, then A (adj A) is a

If A is a non-singular matrix, then A (adj.A)=

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 :