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Exercice 2 : un tremplin a la forme ci-contre.
On souhaite déterminer la longueur l pour...
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Mathematics, 15.12.2021 22:20 DessAnnette2751
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Exercice 2 : un tremplin a la forme ci-contre.
On souhaite déterminer la longueur l pour laquelle
le tremplin se situe en dessous du niveau du sol.
Tremplin
niveau du sol
niveau du sol
On modélise donc la forme du tremplin par la fonction k
définie sur [0; 5,6] par :
k(x) = 0,3x2 - 2,1x + 2,352 avec x exprimé en mètres.
1. Démontrer que k(x) = (0,3x - 0,42)(x - 5,6)
Vous pouvez me donnez la réponse ?
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