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OpenStudy (anonymous):
rationalize the denominator in the following: (sqrt(7))/4sqrt(7)+3
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OpenStudy (anonymous):
Tip, multiply and divide your equation by (4sqrt(7)+3). Then simplify the top and then the bottom.
OpenStudy (anonymous):
i tried that but idk what to do with the top. wont the bottom just cancel out
OpenStudy (anonymous):
Don't cancel, work with the numerators only.
OpenStudy (anonymous):
i got (4sqrt(7)-3)/19 but i know theres something wrong
OpenStudy (anonymous):
(sqrt(7))*(4sqrt(7)+3) =4*7+(3sqrt(7)) =28+(3sqrt(7)) for the numerator
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OpenStudy (henryblah):
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