deletions | additions       diff --git a/section_Q4_subsection_a_begin__.tex b/section_Q4_subsection_a_begin__.tex  index 24f8266..fa76e2a 100644  --- a/section_Q4_subsection_a_begin__.tex  +++ b/section_Q4_subsection_a_begin__.tex 
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\begin{align*}  t|uv| t\dot|uv|  &\geq |uw| + t|wv| \\ \iff t &\geq \frac{|uw|}{|uv|-|wv|} \\\\