deletions | additions       diff --git a/4-Dimensions.tex b/4-Dimensions.tex  index a7974fc..7253827 100644  --- a/4-Dimensions.tex  +++ b/4-Dimensions.tex 
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Therefore \begin{equation}  T(r_1,r_2,r_3)=\textbf{i}r_1\cdot(r_2\times r_3)+... T(r_1,r_2,r_3)=\textbf{i}(\textbf{r}_1\cdot(\textbf{r}_2\times \textbf{r}_3))+...  \end{equation}