The function $w(z)=-(1/z +bz), -1<b<1$ maps $\lvert z \rvert <1$ onto
(1) Interior of the ellipse .
(2) Exterior of the ellipse.
I got an equation of ellipse but how can I get the interior or exterior?
2026-03-28 08:09:57.1774685397
Maps that go to Interior or exterior of an ellipse.
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