#How to prove

6 messages · Page 1 of 1 (latest)

terse hazel
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How would you prove this

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hexed panther
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What did you get for the reciprocals of $\frac{1}{\sqrt 6-\sqrt 5}$ and $\frac{1}{\sqrt 5-2}$?

deft rockBOT
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civil_service_pigeon

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indigo latch
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Have you try to use the "remarkable identity"

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to remove the root

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Like : a^2-b^2 = (a+b)(a-b)

<==> a-b = (a^2-b^2)/(a+b)