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Mathematics 7 Online
OpenStudy (imsleeziboii):

help!! two questions for fan and medal

OpenStudy (imsleeziboii):

Remove the radical from the denominator below. Do not simplify the answer. \[\frac{ -2\sqrt{15} }{ 6-\sqrt{13} }\]

OpenStudy (imsleeziboii):

Anyone??

OpenStudy (imsleeziboii):

i have 8 minutes to answer this one and the next one

OpenStudy (imsleeziboii):

5 now

OpenStudy (imsleeziboii):

i gotta go

OpenStudy (imsleeziboii):

ill fan you

OpenStudy (anonymous):

multiply on the numerator and denominator by the denominator \[\frac{ -2\sqrt{15} }{ 6-\sqrt{13} } \times \frac{ 6+\sqrt{13} }{ 6+\sqrt{13} }\] you will get \[\frac{ (-2\sqrt{15}) \times (6+\sqrt{13}) }{ (6-\sqrt{13})\times(6+\sqrt{13}) }\] finally, after simplification, \[\frac{ (-2\sqrt{15}) \times (6+\sqrt{13}) }{23}\]

OpenStudy (anonymous):

no need to become a fan. hope that helps.

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