Hallo there! In this problem I need to find all z number $\displaystyle z \in C.$ in the following equation. $\displaystyle \mid z-1\mid =5 $ and $\displaystyle \mid 4-z^2\mid =z $
Follow Math Help Forum on Facebook and Google+
Originally Posted by Kluringen In this problem I need to find all z number $\displaystyle z \in C.$ in the following equation. $\displaystyle \mid z-1\mid =5 $ and $\displaystyle \mid 4-z^2\mid =z $ The first one is simply a circle of radius 5 and center (1,0). The second has one two real positive roots? WHY?
Originally Posted by Plato The first one is simply a circle of radius 5 and center (1,0). The second has one two real positive roots? WHY? Ok, but I need to find the roots to this problem with help of pen and paper, no calculator or mathematica etc.
Originally Posted by Kluringen Ok, but I need to find the roots to this problem with help of pen and paper, no calculator or mathematica etc. Just solve $\displaystyle |4-x^2|=x$ for real $\displaystyle x$.
View Tag Cloud