From 7390326c4ab4f1d467702d9b12f67cc32ea32d61 Mon Sep 17 00:00:00 2001
From: Zheyuan Wu <60459821+Trance-0@users.noreply.github.com>
Date: Fri, 7 Feb 2025 17:51:34 -0600
Subject: [PATCH] Update Math4121_L4.md

---
 pages/Math4121/Math4121_L4.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pages/Math4121/Math4121_L4.md b/pages/Math4121/Math4121_L4.md
index b6cfb4f..842e727 100644
--- a/pages/Math4121/Math4121_L4.md
+++ b/pages/Math4121/Math4121_L4.md
@@ -90,12 +90,14 @@ Case 1: $f(x)\to 0$ and $g(x)\to 0$ as $x\to a$.
 
 As $x\to a$, $f(x)\to 0$ and $g(x)\to 0$. So
 
-$$\begin{aligned}
+$$
+\begin{aligned}
 \lim_{x\to a}\frac{f(x)-f(y)}{g(x)-g(y)}&=\lim_{x\to a}\frac{0-f(y)}{0-g(y)}\\
 &=\lim_{x\to a}\frac{f(y)}{g(y)}\\
 &=\frac{f'(y)}{g'(y)}\\
 &\leq r<q
-\end{aligned}$$
+\end{aligned}
+$$
 
 $\forall y\in (a,c)$, $\frac{f(y)}{g(y)}<q$.