Can anyone please check my proof for this number theory problem?

  • Thread starter Math100
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  • #1
Math100
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Homework Statement:
Prove that ((a, b), b)=(a, b).
Relevant Equations:
None.
Please view the picture of my work which I've uploaded.
 

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Answers and Replies

  • #2
PeroK
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Looks good.
 
  • #3
Math100
676
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Looks good.
Thank you.
 

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