olymmath

VMO 1984 Problem 4

    (1) m, n are integers not both zero. Find the minimum value of | 5m25m^2 + 11mn - 5n25n^2 |. (2) Find all positive reals x such that 9x/10 = [x]/( x - [x] ).

    Community text Kalva (prase.cz mirror). Quoted with source.

    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.

    Locator vn-vmo/1984/p4 · Tag E7HYGFEGY3 · Edit this page on GitHub · Keys: j next, k previous