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\($\sqrt{53+20\sqrt{7}}$ can be written in the form $a+b\sqrt{c}$, where $a,$ $b,$ and $c$ are integers and $c$ has no factors which is a perfect square of any positive integer other than 1. Find $a+b+c$.\)

 Nov 18, 2020
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sqrt(53 + 20*sqrt(7)) = 5 + 4*sqrt(7)

 Nov 26, 2020

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