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Programming laptop

The quick brown fox jumps over the lazy dog.

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Math Stuff

$3x + 5y = 12z$

\[12 x' + x'' - 3y' = 2x\]

As we can see, if you take the derivative of $f(x) = 12x^2 - 3x + 2$ with respect to $x$, you get

\[f'(x) = 24 x - 3.\]

End of article.