Describe geometrically the sets of points z inCdefined by:

Re(az + b) > 0 wherea,bare elements inC(Complex set)

I know how to do it ifa,bwere real numbers but in this case, it they were not. What can I do?

Many thanks

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- Oct 6th 2008, 10:56 AMknguyen2005Geometric complex numbers
Describe geometrically the sets of points z in

**C**defined by:

**Re**(*az + b*) > 0 where*a,b*are elements in**C**(Complex set)

I know how to do it if*a,b*were real numbers but in this case, it they were not. What can I do?

Many thanks - Oct 6th 2008, 12:00 PMPlato
Here is a hint to get you started.

$\displaystyle \Re e (az) = \Re e(a)x - \Im m(a)y$