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Автор - nikaa04

Помогите пожалуйста решить, с полным объяснением

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Проверено экспертом

Автор - valenivan

Розв'язання завдання додаю

Ответ

Проверено экспертом

Автор - Universalka

frac{1}{sqrt{sqrt{23}+4}-1 } -frac{1}{sqrt{sqrt{23}+4 }+1 }=frac{{sqrt{sqrt{23}+4 }+1 }-sqrt{sqrt{23}+4 }+1}{(sqrt{sqrt{23}+4 }-1)(sqrt{sqrt{23}+4 }+1)}=frac{2}{(sqrt{sqrt{23} +4})^{2}-1^{2}}=frac{2}{{sqrt{23}+4-1 }}=frac{2}{sqrt{23}+3 }

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