From 6cebb5b5a79891b54c132fa664e81030326c1976 Mon Sep 17 00:00:00 2001
From: Michael Wimmer <m.t.wimmer@tudelft.nl>
Date: Sun, 30 Aug 2020 21:23:36 +0000
Subject: [PATCH] Fix typo in complex exponential function

---
 src/1_complex_numbers.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/1_complex_numbers.md b/src/1_complex_numbers.md
index 9974490..994b068 100644
--- a/src/1_complex_numbers.md
+++ b/src/1_complex_numbers.md
@@ -116,7 +116,7 @@ involving cosines and sines.
 It also makes doing many common operations on complex number a lot easier.
 
 The exponential function $f(z) = \exp(z) = e^z$ is defined as:
-$$\exp(z) = e^{x + {\rm i}y} = e^{x} + e^{{\rm i} y} = e^{x} \left( \cos y + {\rm i} \sin y\right).$$
+$$\exp(z) = e^{x + {\rm i}y} = e^{x} e^{{\rm i} y} = e^{x} \left( \cos y + {\rm i} \sin y\right).$$
 The last expression is called the *Euler identity*.
 
 **Exercise** Check that this function obeys
-- 
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