Actually, solve exactly: \( n = \frac{-2 + \sqrt{4 + 840}}{2} = \frac{-2 + \sqrt{844}}{2} = \frac{-2 + 2\sqrt{211}}{2} = -1 + \sqrt{211} \approx -1 + 14.525 = 13.525 \).

Sun, 03 May 2026 03:35:47 +0000

Content under review