(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

What is the inverse of this elementary matrix? 2x2 matrix

1 0

3 -1

E=

2. Relevant equations

None

3. The attempt at a solution

This is what I think:

1 0

-3 -1

Is that right? Or do you leave the 3 positive? If so, please explain. Thank you.

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# Homework Help: Linear Algebra: Inverse of Elementary Matrix

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