deletions | additions       diff --git a/P1.tex b/P1.tex  index 9117ac5..3c82fcd 100644  --- a/P1.tex  +++ b/P1.tex 
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$f=O(g)$  \item  $f(n)=\sqrt{4n^2-12n+9}, g(n)=n^(3/2)$  $f(n) = O(g)$   \item   $f(n)=\sum{k=1}^n k, g(n)=(n+2)^2$  \end{enumerate}