Processing Math: Done
Lösung 3.2:4d
Aus Online Mathematik Brückenkurs 2
For magnitudes of quotients, we have the arithmetical rule
zw
=
z
w
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=
13
25=5
13