Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #2 20120114 23:52:55
Re: Find a solutionHi tony123; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #3 20120115 22:54:21
Re: Find a solutionhi tony123, so put This quadratic has two solutions You can substitute this back in (2) and also make (say) x the subject, and hence get an equation in y. Bob Last edited by bob bundy (20120115 23:42:17) You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei 