\left(\frac{\sqrt{2}}{2} + \sqrt{2}\right)^2 + \left(\frac{\sqrt{2}}{2} + \sqrt{2}\right)^2 = 2 \cdot \left(\frac{3\sqrt{2}}{2}\right)^2 = 2 \cdot \frac{18}{4} = 9.

Mon, 04 May 2026 16:14:32 +0000

Content under review