Difference between in Argand diagrams containing inequalities with and ≥ signs??
Example
Shade the appropriate region to satisfy the inequality
|z| 5
|z|≥ 5

Question

Difference between in Argand diagrams containing inequalities with > and ≥ signs??
Example 
Shade the appropriate region to satisfy the inequality
|z|> 5 
|z|≥ 5

faiqraees · Answer

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mww · Answer

Well |z| is your modulus i.e. distance from the complex number z to the origin (0,0) so you want a variable set of complex numbers z that is a certain distance from 0.
This is a circle of radius 5 for |z| = 5

If you use the > sign, you're only interested in any thing with radius larger than the original circle.
So you don't shade in the circle itself, but everything outside (so use dotted lines for the circle)
≥ means you include the circle as well as shade the outside so use a solid line

phi · Answer

I would think use a solid line for >=  and a dashed line for > when graphing the "boundary"