\left(x-1\right)\left(x+3\right) x = a_0 + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3 + a_4}}} \sum_{i=1}^{n}{X_i^2} e^{i \theta} \vec{F}=m \frac{d \vec{v}}{dt} + \vec{v}\frac{dm}{dt} \oint \vec{F} \cdot d\vec{s}=0 \lim_{x \to a} \frac{f(x) - f(a)}{x - a} \begin{pmatrix}
a_{11} & a_{12} & a_{13}\\
a_{21} & a_{22} & a_{23}\\
a_{31} & a_{32} & a_{33}
\end{pmatrix} \cos^{-1}\theta \bigcap_{i=1}^{n}{X_i} \bigcup_{i=1}^{n}{X_i} X_1, \cdots,X_n x = a_0 + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3 + a_4}}} \sum_{i=1}^{n}{X_i} x = a_0 + \frac{1}{\displaystyle a_1 + \frac{1}{\displaystyle a_2 + \frac{1}{\displaystyle a_3 + a_4}}} \sqrt{\frac{x^2}{k+1}}\qquad
x^{\frac{2}{k+1}}\qquad
\frac{\partial^2f}{\partial x^2} \oint \vec{F} \cdot d\vec{s}=0 \mathbf{X} = \left(
\begin{array}{ccc}
x_1 & x_2 & \ldots \\
x_3 & x_4 & \ldots \\
\vdots & \vdots & \ddots
\end{array} \right) A\underset{0}{\overset{a}{\rightleftharpoons}}B 2H_2 + O_2 {\overset{n,m}{\longrightarrow}} 2H_2O e^{i \theta} x = a_0 + \frac{1}{a_1 + \frac{1}{a_2 + \frac{1}{a_3 + a_4}}} x = a_0 + \frac{1}{\displaystyle a_1 + \frac{1}{\displaystyle a_2 + \frac{1}{\displaystyle a_3 + a_4}}} \frac{x-\mu}{\sigma}