diff --git a/analyse/exercices/main.tex b/analyse/exercices/main.tex
index fac122e..918e44d 100644
--- a/analyse/exercices/main.tex
+++ b/analyse/exercices/main.tex
@@ -423,7 +423,7 @@
                     \left\{
                     \begin{array}{l}
                         a = 0 \\
-                        b = \frac{1}{2} \\\\
+                        b = \frac{1}{2} \\
                     \end{array}
                     \right.
                 \end{align*}