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2014-11-12T23:51:14+02:00
N=(3-√7)/(3+√7)·2/(8-√7)
N=(3-√7)(8-√7)/2(3+√7)
N=(24-3√7-8√7+7)/(6+2√7)
N=(31-11√7)/(6+2√7) rationalizam
N=(31-√7)(6-2√7)/(6+2√7)(6-2√7)
N=186-62√7-6√7+28)/36-28
N=(214-68√7)/6
N=2(107-34√7)/6
N=(107-34√7)/3
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