fixing latex bug

Resonanz/doc/Hinweise-Aufgabe-2.md

@@ -109,8 +109,7 @@ $$
 &\\
 \omega\hphantom{_{0}} &=\sqrt{\omega_{0}^{2} - \lambda^{2}\vphantom{\left(\frac{R}{2\,L}\right)^{2}}} = \sqrt{\frac{1}{L\,C}-\left(\frac{R}{2\,L}\right)^{2}} \\
 &\\
-I_{0} &= \frac{U_{0}/L}{\sqrt{\left(\omega_{0}^{2}-\Omega^{2}\right)^{2}+\left(2\,\lambda\,\Omega\right)^{2}}} = \frac{U_{0}}{\sqrt{\left(\frac{1}{C\,\Omega}-L\,\Omega\right)^{2}+R^{2}}} = \frac{U_{0}}{Z};
-&\\
+I_{0} &= \frac{U_{0}/L}{\sqrt{\left(\omega_{0}^{2}-\Omega^{2}\right)^{2}+\left(2\,\lambda\,\Omega\right)^{2}}} = \frac{U_{0}}{\sqrt{\left(\frac{1}{C\,\Omega}-L\,\Omega\right)^{2}+R^{2}}} = \frac{U_{0}}{Z};\\
 &\\
 \phi\hphantom{_{0}} &= \arctan\left(-\frac{2\,\lambda\,\Omega}{\omega_{0}^{2}-\Omega^{2}}\right) = \arctan\left(-\frac{\frac{1}{C\,\Omega}-L\,\Omega}{R}\right),
 \\