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Diffstat (limited to 'Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-10.tex')
-rw-r--r-- | Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-10.tex | 13 |
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diff --git a/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-10.tex b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-10.tex new file mode 100644 index 00000000000..795eeb3c304 --- /dev/null +++ b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap7/exer7-10.tex @@ -0,0 +1,13 @@ +\documentclass{article} +\begin{document} +$\alpha\vec{x} = \vec{x}\alpha$,\hfill$\alpha\beta\vec{x} += \beta\alpha\vec{x}$,\hfill$(\alpha + \beta)\vec{x} = \alpha\vec{x} + +\beta\vec{x}$,\hfill $\alpha(\vec{x} + \vec{y}) += \alpha\vec{x} + \alpha\vec{y}$.\\ +\hspace*{1.5em}$\vec{x}\vec{y} = \vec{y}\vec{x}$\hfill +but\hfill$\vec{x}\times\vec{y} = +-\vec{y}\times\vec{x}$,\hfill\hfill$\vec{x}\vec{y} = 0$\hfill for\hfill% +$\vec{x}\perp\vec{y}$,\hfill\hfill$\vec{x}\times\vec{y} = 0$,\hfill +for\hfill$\vec{x}\parallel\vec{y}$. +\end{document} + |