- #1

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Member warned that some effort must be shown

## Homework Statement:

- Prove the following matrix is non abelian

## Relevant Equations:

- matrix below

I know for a group to be abelian a*b=b*a

I tried multiplying the matrix by itself also but I’m not sure what I’m looking for.

picture is below of the matrix

View attachment 255812

I tried multiplying the matrix by itself also but I’m not sure what I’m looking for.

picture is below of the matrix

View attachment 255812