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#1

$Old$ October 6th, 2008, 12:56 PM

knguyen2005 $knguyen2005 is offline$

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$Default$ Geometric 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

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#2

$Old$ October 6th, 2008, 02:00 PM

Plato $Plato is offline$

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Here is a hint to get you started.
$\Re e (az) = \Re e(a)x - \Im m(a)y$

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