3.2 Exercises

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Övning 3.2:1

Givet de komplexa talen \displaystyle \,z=2+i\,, \displaystyle \,w=2+3i\, och \displaystyle \,u=-1-2i\,. Markera följande tal i det komplexa talplanet

a) \displaystyle z\, och \displaystyle \,w b) \displaystyle z+u\, och \displaystyle \,z-u
c) \displaystyle 2z+w d) \displaystyle z-\overline{w}+u