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Mathematics 7 Online
OpenStudy (anonymous):

when are the only times you have to rationalize a limit?

OpenStudy (anonymous):

when you have a root in the denom usually

OpenStudy (anonymous):

and when you have a root and a subtraction sign in the numerator....?

OpenStudy (anonymous):

well it all depends if the denom is equal to zero....if it is we rationalize

hero (hero):

yup

OpenStudy (anonymous):

oh alright. so are those two just the only times we should rationalize a limit?

OpenStudy (anonymous):

yup

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