Question

if A and B are square marices of the Square order such that AB=BA=I, then A and B are called
a) inverse of each other order
b) Null marix​

Answer 1

Step-by-step explanation:

Answer

Correct option is

C

Multiplicative inverse matrix of A

AB=I & BA=I then B is the multiplicative inverse of A.

Hence, the answer is multiplicative inverse matrix of A.