" 3: Matrices A and B will be inverse of each other only if "

Martices A and B will be inverse of each other only if

Matrix A and B will be inverse of each other only if

Choose the correct answer in the example no . (18) so that statement becomes true . Matrices A and B will be inverse of each other only if ……..

Matrices A and B will be inverse of each other only if (A) A B=B A (B) A B=B A=0 (C) A B=0,B A=I (D) A B=B A=I

Matrices A and B will be inverse of each only if ……………

Matrices A and B will be inverse of each other oolly if (A) AB=BA(B)AB=BA=0(C)AB=0,BA=I(D)AB=BA=I

Matrices A and B will be inverse of each other if __________

Matrices X and Y are inverse of each other then........

If the product of two non-zero rational numbers is 1 , then they are (a) Additive inverse of each other (b) Multiplicative inverse of each other (c) Reciprocal of each other (d) Both (b) and (c)

Using elementary row transformations , find the inverse of each of the matrices , if it exists in example number . [{:(1,-1),(2,3):}]