Use generators and relations to show that if which is not a power of r, then Basically, x in this case is a flip. I am not sure what needs to proved. x is just a flip so by definition it satisfy
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since x is not a power of r it will be a multiplication of power of r and s say we have to show that
Originally Posted by Amer since x is not a power of r it will be a multiplication of power of r and s say we have to show that Can I do this: Since ,
Originally Posted by dwsmith Can I do this: Since , Yup, that works.