Question 1160481
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We are not here to do your work for you and give you the answers.  We are here to help you learn how to get the answers.<br>
The two matrices are inverses if their product is the identity matrix.  You can determine that by yourself.<br>
If they are not inverses, there is a simple formula for finding the inverse of a 2x2 matrix.  You can also do that yourself.<br>