Ive added an attachment and highlited the area that I have a question about. How where they able to resolve the denominator into factors with out dividing the denominator by the H.C.F.?(adsbygoogle = window.adsbygoogle || []).push({});

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# Homework Help: Ive added an attachment and highlited the area that I have a question

**Physics Forums | Science Articles, Homework Help, Discussion**