AMO-Bench 2025 Problem 12 Answer Space vectors An→(xn,yn,zn)(1≤n≤2052)\overrightarrow{A_n}(x_{n}, y_{n}, z_{n}) (1 \leq n \leq 2052)An(xn,yn,zn)(1≤n≤2052) satisfy that 1+xn,1+yn,1+zn(1≤n≤2052)\sqrt{1+x_{n}}, \sqrt{1+y_{n}}, \sqrt{1+z_{n}} (1 \leq n \leq 2052)1+xn,1+yn,1+zn(1≤n≤2052) are all real numbers, and ∑n=12052xn3=∑n=12052zn3=∑n=12052yn−2052=0,\sum_{n=1}^{2052} x_{n}^{3} = \sum_{n=1}^{2052} z_{n}^{3} = \sum_{n=1}^{2052} y_{n} - 2052 = 0,n=1∑2052xn3=n=1∑2052zn3=n=1∑2052yn−2052=0, ∑n=120524zn=∑n=12052xn2=2736,∑n=12052yn2=4210703,∑n=12052yn3=8640361530.\sum_{n=1}^{2052} 4z_{n} = \sum_{n=1}^{2052} x_{n}^{2} = 2736, \sum_{n=1}^{2052} y_{n}^{2} = 4210703, \sum_{n=1}^{2052} y_{n}^{3} = 8640361530.n=1∑20524zn=n=1∑2052xn2=2736,n=1∑2052yn2=4210703,n=1∑2052yn3=8640361530. Find the maximum value of ∣A→1234∣∣A→432∣.\frac{\lvert \overrightarrow{A}_{1234}\rvert}{\lvert \overrightarrow{A}_{432}\rvert}.∣A432∣∣A1234∣. Dataset text AMO-Bench. Open licence. Show the answer \frac{3}{5} \cdot \sqrt{{4678570} + {2280}\sqrt{4210702}} Solutions No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label. Add a solution Similar problems These problems have the most words in common with this statement. IMC 1994 Problem 11PAGMO 2022 Problem 5ELMO 2013 Problem 6SEEMOUS 2011 Problem 3PL-OM 1983 Problem 5 PreviousProblem 11 NextProblem 13 Locator amo-bench/2025/p12 · Tag CJFFJ34PRJ · Edit this page on GitHub · Keys: j next, k previous