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Audranabora2
@Audranabora2
April 2019
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SVP !!! 2 questions !
Résoudre l'équation E= 0 et E= 84
sachant que E= -2
-2y+132
Merci d'avance !!! ;)
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Commentaires (2)
E=0 donc -2y²-2y+132=0
donc y²+y-66=0
donc y=(-1-V265)/2 ou y=(1+V265)/2
E=84 donc -2y²-2y-48=0
donc y²+y+24=0
donc DELTA<0 ---> pas de solution réelle
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audranabora2
Je suis en 3ème nous n'avons pas appris Delta ...
audranabora2
Merci quand même
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donc y²+y-66=0
donc y=(-1-V265)/2 ou y=(1+V265)/2
E=84 donc -2y²-2y-48=0
donc y²+y+24=0
donc DELTA<0 ---> pas de solution réelle