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Mathematics 21 Online
OpenStudy (babyslapmafro):

Why is the limit of x divided by the absolute value of x as x approaches 0 equal to 1? How does that work?

OpenStudy (babyslapmafro):

Ahh im sorry...

OpenStudy (babyslapmafro):

I meant as x approaches 0

OpenStudy (anonymous):

\[\lim_{x \rightarrow 0}\frac{x }{ \left| x \right| }\] you mean?

OpenStudy (babyslapmafro):

yes

OpenStudy (anonymous):

split it x>0 and x<0

OpenStudy (anonymous):

|dw:1347491506700:dw|

OpenStudy (anonymous):

you see?

OpenStudy (babyslapmafro):

Wouldn't that make it undefined or D.N.E.

OpenStudy (anonymous):

limitation means that it is not exact value at that point

OpenStudy (babyslapmafro):

Ok, so as I am approaching 0, I could replace it withe 0.1 0.01 and so on, and I would get 1 as the limit every time.

OpenStudy (anonymous):

|dw:1347491626158:dw|

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