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wu :: forums    riddles    medium (Moderators: william wu, Icarus, Grimbal, towr, SMQ, Eigenray, ThudnBlunder)    Sum of powers inequality « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Sum of powers inequality  (Read 525 times) NickH Senior Riddler     Gender: Posts: 341 Sum of powers inequality   « on: Feb 11th, 2003, 10:28pm » Quote Modify Show that, if x and y are positive real numbers, xy + yx > 1. IP Logged Nick's Mathematical Puzzles NickH Senior Riddler     Gender: Posts: 341 Sum of powers inequality   « Reply #1 on: Feb 20th, 2003, 1:29pm » Quote Modify This puzzle, along with hint and solution, is on my puzzle site. IP Logged Nick's Mathematical Puzzles Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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