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git clone

$f(x)=ax+b$

$e^{i \pi} + 1 = 0$

$${\displaystyle p_{A}(n)=\left(\prod _{a\in A}a^{-1}\right)\cdot {\frac {n^{k-1}}{(k-1)!}}+O(n^{k-2}).}$$

$$\mathbf{X} = \left(
\begin{array}{ccc}
x_1 & x_2 & \ldots \
x_3 & x_4 & \ldots \
\vdots & \vdots & \ddots
\end{array} \right) $$

$$
\vec{F}_g=-F\frac{m_1 m_2}{r^2} \vec{e}_r
$$