From 9310eae807fc07e81eaee2806cdc5a0b0a52fa22 Mon Sep 17 00:00:00 2001
From: Josia Pietsch <git@jrpie.de>
Date: Tue, 18 Jul 2023 17:05:34 +0200
Subject: [PATCH] fixed typo

---
 inputs/lecture_09.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/inputs/lecture_09.tex b/inputs/lecture_09.tex
index 466b83b..c07f0b4 100644
--- a/inputs/lecture_09.tex
+++ b/inputs/lecture_09.tex
@@ -148,7 +148,7 @@ We have
 \begin{proof}
     We have
     \begin{IEEEeqnarray*}{rCl}
-        \phi_{a X + b}(t) &=& \bE[e^{\i t (aX + b)}}]\\
+        \phi_{a X + b}(t) &=& \bE[e^{\i t (aX + b)}]\\
                           &=& e^{\i t b} \bE[e^{\i t a X}]\\
                           &=& e^{\i t b} \phi_X(\frac{t}{a}).
     \end{IEEEeqnarray*}