8. Вычислите: (√8 − √2)².

Question

Упростим корень: \(\sqrt{8}=2\sqrt{2}\). Тогда \((\sqrt{8}-\sqrt{2})^2=(2\sqrt{2}-\sqrt{2})^2=(\sqrt{2})^2=2\).

Ответ: 2.

Accepted Answer

Упростим корень: \(\sqrt{8}=2\sqrt{2}\). Тогда \((\sqrt{8}-\sqrt{2})^2=(2\sqrt{2}-\sqrt{2})^2=(\sqrt{2})^2=2\).

Ответ: 2.