deletions | additions       diff --git a/Electromagnetism.tex b/Electromagnetism.tex  index b1fa2ae..7eafd8e 100644  --- a/Electromagnetism.tex  +++ b/Electromagnetism.tex 
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\end{bmatrix}  \end{equation}  This would require perhaps a normalisation of $\frac{1}{\sqrt{2}} $\frac{1}{\sqrt{2}}$  on each matrix.