Thursday

April 17, 2014

April 17, 2014

Posted by **Roger** on Tuesday, February 19, 2008 at 9:22pm.

i have to show that |a-b|=|b-a|

- Precalc -
**drwls**, Wednesday, February 20, 2008 at 8:02amIf a>b, it becomes a-b = a-b

If a<b, it becomes b-a = b-a

If a=b it becomes 0 = 0

So it is always true

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