x^2 = \left( \sqrt{7 + 2\sqrt{10}} + \sqrt{7 - 2\sqrt{10}} \right)^2 = (7 + 2\sqrt{10}) + (7 - 2\sqrt{10}) + 2\sqrt{(7 + 2\sqrt{10})(7 - 2\sqrt{10})}

Thu, 30 Apr 2026 00:28:06 +0000

Content under review