Предмет: Математика, автор: Sabina1324

Избавиться от ирациональности в знаметеле 3/3+√3

Ответы

Автор ответа: xxxeol

Пошаговое объяснение:

Чтобы избавиться от корня - умножаем на противоположную сумму.

$\frac{3}{3+\sqrt{3}}=\frac{3*(3-\sqrt{3})}{(3+\sqrt{3})*(3-\sqrt{3})}=\frac{3*(3-\sqrt{3}) }{9-3}=\frac{3-\sqrt{3}}{2}$

Большая формула.

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