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Lösung 3.2:2d

Aus Online Mathematik Brückenkurs 2

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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)=3

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.

Von „http://wiki.math.se/wikis/2009/bridgecourse2-TU-Berlin/index.php/L%C3%B6sung_3.2:2d“