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

You are not logged in. #1 20130629 02:07:22
complex number problemfor any complex number z prove that  I z I < or equal to Re (z) < or equal to I z I #2 20130629 03:06:07
Re: complex number problemI'm assuming u mean abs(z) by IzI in which case z=a+bi.Re(z)=a and abs(z)=square root of a^2+b^2 Last edited by {7/3} (20130629 03:10:21) There are 10 kinds of people in the world,people who understand binary and people who don't. 