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

You are not logged in. #101 20130924 22:33:41
Re: MathFor numbers 17 through 20 use f(x) = x2 – x + 2 #102 20130925 02:15:15
Re: MathEverywhere you see an x just plug in the number and then do the arithmetic. 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. #103 20130930 09:25:08#104 20130930 09:26:50 