diff --git a/analyse/main.tex b/analyse/main.tex
index d4cd14b..3839461 100644
--- a/analyse/main.tex
+++ b/analyse/main.tex
@@ -64,6 +64,8 @@
                 \midrule
                 \textcolor{red}{$\ln{|x|}$}               & \textcolor{red}{$\frac{1}{x}$}          \\
                 \midrule
+                \textcolor{red}{$-\frac{1}{x}$}               & \textcolor{red}{$\frac{1}{x^2}$}          \\
+                \midrule
                 \textcolor{red}{$\cos{x}$}                & \textcolor{red}{$-\sin{x}$}             \\
                 \midrule
                 \textcolor{red}{$\sin{x}$}                & \textcolor{red}{$\cos{x}$}              \\