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Mathematics 9 Online
OpenStudy (anonymous):

find all numbers for which the rational expression is undefined n^3-6n/n^2-36

OpenStudy (mathmagician):

+-6

OpenStudy (aroub):

n(n^2-6)/n^2-36 n(n^2-6)/(n-6)(n+6) \[n \neq 6 , n \neq-6 \]

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