Processing Math: Done

To print higher-resolution math symbols, click the
Hi-Res Fonts for Printing button on the jsMath control panel.

jsMath

Warning: jsMath requires JavaScript to process the mathematics on this page.
If your browser supports JavaScript, be sure it is enabled.

Lösung 3.2:4d

Version vom 13:09, 10. Mär. 2009 von Tekbot (Diskussion | Beiträge)

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.