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Mathematical Modelling

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Inleiding Complexe getallen; review Complexe functies<br />

Dertig-seconden-vraag<br />

• 1 + i een wortel van z 2 + 2z + 2 = 0. Bepaal de andere wortel<br />

(zo snel mogelijk)<br />

Als<br />

z 2 + 2z + 2 = 0 dan z 2 + 2z + 2 = 0 = 0 = z 2 + 2z + 2<br />

dus<br />

z = 1 − i

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