11-02-2015
Mathematics

Answered

Does anyone know what this is | | and what it does in math?
for example |4|

Answer :

konrad509 konrad509

11-02-2015

It's the absolute value.

[tex]|x|= \left \{ {{x} \text{ for }\geq0 \atop{-x}\text{ for } x<0} \right. \\\\ |4|=4[/tex]

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Siri1Is1Smarty Siri1Is1Smarty

11-02-2015

That Is Absolute Value

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