Educational content and software developer Cengage Learning has entered into a partnership with MathJax, an open source JavaScript display engine, to improve the way mathematical and scientific ...
\begin{align} \dot{x} & = \sigma(y-x) \\ \dot{y} & = \rho x - y - xz \\ \dot{z} & = -\beta z + xy \end{align} Finally, while display equations look good for a page of ...
Here is a labeled equation: $$x+1\over\sqrt{1-x^2}\label{ref1}$$ with a reference to ref1: \ref{ref1}, and another numbered one with no label: $$x+1\over\sqrt{1-x^2 ...
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