deletions | additions       diff --git a/4-Dimensions.tex b/4-Dimensions.tex  index cc1f9a6..ca6631b 100644  --- a/4-Dimensions.tex  +++ b/4-Dimensions.tex 
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\begin{equation}  T(r_1,r_2,r_3)=\\ T(\textbf{r}_1,\textbf{r}_2,\textbf{r}_3)=\\  \textbf{i}({_t\textbf{r}_1}\cdot({_t\textbf{r}_2} \times {_t\textbf{r}_3}))-  \textbf{j}({_x\textbf{r}_1}\cdot({_x\textbf{r}_2} \times {_x\textbf{r}_3}))\\+  \textbf{k}({_y\textbf{r}_1}\cdot({_y\textbf{r}_2} \times {_y\textbf{r}_3}))-