From dcf43e2f7bf73eae35c4b83fed3c7fc51a034a58 Mon Sep 17 00:00:00 2001
From: Didnelpsun <2675350965@qq.com>
Date: Wed, 16 Nov 2022 22:46:37 +0800
Subject: [PATCH] Update remember.tex

---
 model/remember.tex | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/model/remember.tex b/model/remember.tex
index eac88ba..9703ee3 100644
--- a/model/remember.tex
+++ b/model/remember.tex
@@ -41,6 +41,16 @@
 \section{数学}
 \subsection{第一章}
 \subsection{第二章}
+\subsection{一元积分}
+
+弧长公式：$\int_a^b\sqrt{1+y'}\,\textrm{d}x=\int_\alpha^\beta\sqrt{x'^2+y'^2}\,\textrm{d}t=\int_{\theta_1}^{\theta_2}\sqrt{r^2+r'^2}\,\textrm{d}t$。
+
+旋转体积公式：
+
+形心公式：
+
+极限定积分公式：
+
 \subsection{行列式}
 \subsection{矩阵}