geometry

Remove the radical from the denominator below. Do not simplify the answer.

-2 sqrt15 / (6- sqrt13)

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  1. -2 √15 / (6- √13)
    = -2 √15 / (6- √13) * (6+√13)/(6+√13)
    = (-12√15 - 2√195)/(36-13)
    = -(12√15 + 2√195)/23

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