Hi guys,

If z is a complex number and 0 < |z-1| < 2

Is it true that 1 < |z| < 3?

In other words, are the two expressions equivalent?

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- April 6th 2013, 08:06 PMdirectormagnitude question
Hi guys,

If z is a complex number and 0 < |z-1| < 2

Is it true that 1 < |z| < 3?

In other words, are the two expressions equivalent? - April 6th 2013, 10:03 PMhollywoodRe: magnitude question
No. Try drawing the two regions in the complex plane - each is an annulus, but they are different sizes and different centers.

- Hollywood