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Mathematics 10 Online
OpenStudy (anonymous):

p^3 - 9p / p^2 - 4 find all numbers for which rational expression is undefined

OpenStudy (saifoo.khan):

2, -2

OpenStudy (anonymous):

can u explain?

OpenStudy (saifoo.khan):

Anything when is divided by zero is known as undefined,.. so when u are going to put those two values instead of p, it will make the fraction over 0. making it undefined.

OpenStudy (anonymous):

i see

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