SOLUTION: 1 3 1 2 1 -5 3 -1 -4 What is the identity of the matrix?

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Question 234383: 1 3 1
2 1 -5
3 -1 -4
What is the identity of the matrix?
Answer by Photonjohn(42) About Me  (Show Source):
You can put this solution on YOUR website!
The identity matrix I is
1 0 0
0 1 0
0 0 1
If you are looking for the Inverse of the given matrix, then multiply I x A = B
B is the Inverse