Автор - sashascorpi19

√(5-√(13+2√12)) упростить!!

Ответ

Проверено экспертом

Автор - Universalka

sqrt{5-sqrt{13+2sqrt{12}}}=sqrt{5-sqrt{12+2sqrt{12}+1}}=sqrt{5-sqrt{(sqrt{12}+1)^{2}}}=sqrt{5-(sqrt{12}+1)}=sqrt{5-sqrt{12}-1}=sqrt{4-2sqrt{3}}=sqrt{3-2sqrt{3}+1}=sqrt{(sqrt{3}-1)^{2}}=|sqrt{3}-1|=sqrt{3}-1\\Otvet:boxed{sqrt{3}-1}

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