Bảng mã LaTeX để nhập công thức Toán – Phần 2

STT	Ví dụ	Mã LaTeX
1	$\ddot{x}$	\ddot{x}
2	$\tilde{AB}$	\tilde{AB}
3	$\bar{AB}$	\bar{AB}
4	$\vec{AB}$	\vec{AB}
5	$\widehat{ABC}$	\widehat{ABC}
6	$x^{2016}$	x^{2016}
7	$H_2CO_3$	H_2CO_3
8	$\sqrt{5}$	\sqrt{5}
9	$\sqrt[7]{5}$	\sqrt[7]{5}
10	$\dfrac{12}{34}$	\dfrac{12}{34}
11	$\sin$ $\cos$ $\tan$ $\cot$ $\lim$ $\log$ $\ln$ $\min$ $\max$ $\inf$ $\sup$	\sin \cos \tan \cot \lim \log \ln \min \max \inf \sup
12	$\sin^2x-3\cos x$	\sin^2x-3\cos x
13	$\sin\left(x-\dfrac{2\pi}{3}\right)$	\sin\left(x-\dfrac{2\pi}{3}\right)
14	$f(x)=\begin{cases}2x-1&\text{khi }x>0\\ x^2+1&\text{khi }x\leq0\end{cases}$	f(x)=\ begin{cases}2x-1&\text{khi }x>0\\ x^2+1&\text{khi }x\leq0\end{cases}
15	$2x^2-5x+3=0\Leftrightarrow\left[\begin{split}x=1\\ x=\dfrac{3}{2}\end{split}\right.$	2x^2-5x+3=0\Leftrightarrow\left[\ begin{split} x=1\\ x=\dfrac{3}{2}\end{split}\right.
16	$\begin{pmatrix}\alpha& \beta\\ \gamma& \delta\end{pmatrix}$	\ begin{pmatrix}\alpha& \beta\\ \gamma& \delta\end{pmatrix}
17	$\dfrac{1}{1+\dfrac{1}{1+\dfrac{1}{1+...}}}$	\dfrac{1}{1+\dfrac{1}{1+\dfrac{1}{1+...}}}
18	$\sum\limits_{k=1}^nC_n^k$	\sum\limits_{k=1}^nC_n^k
19	$\sum\limits_{\substack{0\leq i\leq m\\ 0\leq j\leq n}} P(i,j)$	\sum\limits_{\substack{0\leq i\leq m\\ 0\leq j\leq n}} P(i,j)
20	$\lim\limits_{x\rightarrow+\infty}\dfrac{\sqrt{x^2+5x-2}}{2x-3}$	\lim\limits_{x\rightarrow+\infty}\dfrac{ \sqrt{x^2+5x-2}}{2x-3}
21	$\int_0^3f(x)dx$	\int_0^3f(x)dx
22	$\overset{t^o}{\longrightarrow}$ $\overset{t^o}{\rightleftharpoons}$ $\underset{?}{\underbrace{\sqrt{3}-\sqrt{2}}}$	\overset{t^o}{\longrightarrow} \overset{t^o}{\rightleftharpoons} \underset{?}{\underbrace{\sqrt{3}-\sqrt{2}}}

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