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Lösung 3.2:4d

(Unterschied zwischen Versionen)

Version vom 10:38, 11. Mär. 2009

For magnitudes of quotients, we have the arithmetical rule

We can therefore take the magnitude of the numerator and denominator separately and then divide the magnitudes by each other,

3+2i3−4i

3+2i

3−4i

32+22

32+(−4)2=

9+4

9+16=

25=5

13.