Tranformations from z to w plane
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Original post by Charries
Can anyone tell me how (simply) :
becomes
becomes
Unparseable latex formula:
|w-\frac{2}{3}|\right|=|w|
Factor out the i.
Then since |ab|=|a| |b|
and since |i|=1
factor out the three
and since |a/b| = |a| / |b|
etc.
When I have :
becomes
So if I have
That's still the same circle isn't it?
If so, what's the right way to think about squaring this?
or do I just forget about the minus sign when squaring, and do this :
becomes
Unparseable latex formula:
\left x^2+y^2\right=9
So if I have
That's still the same circle isn't it?
If so, what's the right way to think about squaring this?
Unparseable latex formula:
\left x^2 + (-y)^2\right=9
or do I just forget about the minus sign when squaring, and do this :
Unparseable latex formula:
\left x^2 + y^2\right=9
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