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Scholieren.be • View topic - ontbinden in factoren

ontbinden in factoren

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ontbinden in factoren

Postby Mlies on Sun 22 Oct, 2006 14:43

Pour gagner, il faut risquer de perdre
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Postby tuurtjes on Wed 15 Nov, 2006 19:43

x^6 - 26x³ - 27=0

nu gaan we x^3 gelijk stellen aan bijv. t dan gaat de functie er zo uit zien

t^2-26t-27=0
ontbinden in factoren
(t-27)(t+1)=0

t=27 t=-1
de laatste stap niet vergeten x^3=t dus

x^3=27 x^3=-1
x=3 x=-1
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Postby aniek on Wed 15 Nov, 2006 23:31

wat is ^?
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Postby Buys on Thu 16 Nov, 2006 13:50

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