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Ysmn89
@Ysmn89
January 2021
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Quelle est la formule pour calculer f'(x) ?
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Casper2789
Bonsoir,la formule pour calculer f'(x) Est f(x)=(-2x²+4x+1)/(x²+1),c'est tout se que je sais.Bonne soirée
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mohayati2006
f(x)=(-2x²+4x+1)/(x²+1)
f=(u/v)'
=(u'v-uv')/v²
f(x)=(-2x²+4x+1)/(x²+1)
=(-4x+4)(x²+1)-(-2x²+4x+1)(2x) /(x²+1)²
=(-4xx²-4x+4x²+4+4xx²-8x²-2x) /(x²+1)²
=(-4x²-6x)/(x²+1)²
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f=(u/v)'
=(u'v-uv')/v²
f(x)=(-2x²+4x+1)/(x²+1)
=(-4x+4)(x²+1)-(-2x²+4x+1)(2x) /(x²+1)²
=(-4xx²-4x+4x²+4+4xx²-8x²-2x) /(x²+1)²
=(-4x²-6x)/(x²+1)²