\left(\frac\sqrt22 + \sqrt2\right)^2 + \left(\frac\sqrt22 + \sqrt2\right)^2 = 2 \cdot \left(\frac3\sqrt22\right)^2 = 2 \cdot \frac184 = 9. - Crosslake
Mar 01, 2026
Content is being prepared. Please check back later.