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Lösung 3.1:1c

Version vom 13:05, 10. Mär. 2009 von Tekbot (Diskussion | Beiträge)

Complex numbers satisfy the same rules of arithmetic as ordinary numbers, with the addition that i2=−1. The distributivity rule gives that

i(2+3i)=i

2+i

3i=2i+3i2=2i+3

(−1)=2i−3=−3+2i.