174k views
1 vote
Does anyone know what this is | | and what it does in math?
for example |4|

2 Answers

4 votes
That Is Absolute Value
User NNsr
by
8.5k points
4 votes
It's the absolute value.


|x|= \left \{ {{x} \text{ for }\geq0 \atop{-x}\text{ for } x<0} \right. \\\\ |4|=4
User Nidhin Chandran
by
7.9k points

No related questions found