Исключить иррациональность в знаменателе: 2 разделить на (2 + √3). Created by sxmax. algebra-ru

Исключить иррациональность в знаменателе: 2 разделить на (2 + √3)...

September 2021 1 20 Report

Исключить иррациональность в знаменателе: 2 разделить на (2 + √3)

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Kазак $\frac{2}{2+\sqrt{3}} = \frac{2\cdot(2-\sqrt{3})}{(2+\sqrt{3})\cdot(2-\sqrt{3})} = \frac{4-2\sqrt{3}}{2^2-(\sqrt{3})^2} = \frac{4-2\sqrt{3}}{4-3} = \frac{4-2\sqrt{3}}{1} = 4-2\sqrt{3}$

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kak napisat pushennye strely ili pushenye strely obosnujte

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