Posted by Josh on Friday, December 7, 2012 at 3:23pm.
(2-2√3)/(7+√3)
recalling that (a+√b)(a-√b) = a^2-b,
(2-2√3)(7-√3)/(49-3)
(14-14√3-2√3+2*3)/46
(20-16√3)/46
(10-8√3)/23
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