Latex absolute value

Saturday 14 December 2019, by Nadir Soualem

absolute value frac Latex lvert rvert sum

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$\lvert x \rvert$

$\lvert \cos x \rvert$

$\displaystyle\left\lvert \frac{1}{x} \right\rvert$

$\displaystyle\left\lvert \sum_{k=1}^n \alpha_k\right\rvert$

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