mathers

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Hello Worldz

Start writing here. wats

\def\arraystretch{1.3}
\begin{array}{|l|l|l|}
\hline
Column 1 & Column 2 & Column 3 \\
\hline
Cell 1 & Cell 2 & Cell 3 \\
\hline
\end{array}

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hello

A = A^i_j \mathbf{e}_i \otimes \mathbf{f}^j