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Mathematics
OpenStudy (anonymous):

How can you determine if a rational expression is undefined?

OpenStudy (anonymous):

When the denominator is equal to zero.

OpenStudy (amistre64):

\[{any\#\over0}=undefined\]

OpenStudy (anonymous):

amistre64 how did you get that fraction to appear that way; I can't seem to figure it out

OpenStudy (anonymous):

\[testing \frac{x}{y}\] - thanks mattfeury!

OpenStudy (amistre64):

yeah, like that :)

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