Bonjour svp, besoin d’aide c’est pour demain.... Pergunta de ideia deMamacita

Mamacita @Mamacita

May 2019 1 66 Report

Bonjour svp, besoin d’aide c’est pour demain

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MonsieurFirdown

Verified answer

Bonsoir

1)
a/

●On note la hauterur= h(x)
●L'aire de la base = πr²= πx²
V cylindre = B×h
V cylindre = πx²× h(x) = 1000
D'où
h(x) = 1000 / πx²

b/ c/ À toi de faire ....

2)

a/
S(x) = 2πx²+2πx×h
S(x) = 2πx²+2πx × 1000/πx²
S(x) = 2πx²+ 2000πx/πx²
S(x) = 2πx² + 2000/x

b/ c/ d/ a toi de faire c'est de la lecture graphique t'en n'ais capable ....

Voilà ^^

1 votes Thanks 1

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