7th Class Mathematics Integers Absolute value of an Integer

Absolute value of an Integer

Category : 7th Class

*       Absolute value of an Integer

 

Absolute value of an integer defined as follows:                                                

\[\left| a \right|=\left\{ \begin{matrix}    a,if & a>o  \\    -a,if & a>0  \\ \end{matrix} \right.\]

For example:\[\left| 12 \right|=12,\left| -12 \right|=-\left( -12 \right)=12\]\[\left\{ because\text{ }\left( -12 \right)<0 \right\}\]  

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