SOLUTION: Is it B? I wantt to check my answer. Given matrix A and B both have dimensions 2 x 2 and are the inverse of one another what should be the following product? A · B A.

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Question 1161351: Is it B? I wantt to check my answer.

Given matrix A and B both have dimensions 2 x 2 and are the inverse of one another what should be the following product?

A · B
A.
B.
C.
D.

The question is provided in the link here: https://i.imgur.com/ZGZXAlP.png

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
yes, it is B
Given matrix and are the inverse of one another, means
and => identity matrix is =

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