Update 12.temporary_ins/44.relativity/30.n3/10.special-relativity/07.coherence/textbook.fr.md

8ce24c22 · Claude Meny · 1df37d2f · 8ce24c22
Commit 8ce24c22 authored Oct 23, 2022 by Claude Meny
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--- a/12.temporary_ins/44.relativity/30.n3/10.special-relativity/07.coherence/textbook.fr.md
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@@ -40,6 +40,13 @@ lessons:

 ---------------------------------------------

+Invariant ou intervalle
+
+$`\begin{align}
+ds^2&=c^2 dt^2- dx^2- dy^2- dz^2\\
+&=c^2 dt'^2- dx'^2- dy'^2- dz'^2\\
+\end{align}`$
+
 Loi de transformation lorentzienne des positions :

 $`\left\{\begin{array}{l}