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Lösung 3.2:2d

(Unterschied zwischen Versionen)

Version vom 10:36, 11. Mär. 2009

In general, the expression z−w is equal to the distance between the complex numbers z and w, so if we rewrite the equality in the exercise as

z−(1+i)

it says that the distance between z and 1+i should be 3, i.e. we obtain a circle of radius 3 and centre at 1+i.