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Mariemaths
@Mariemaths
June 2021
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Qui peux m'aider svp????
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ophelie93330
Y^2-14y+49
=y(y-14)+49
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Mariemaths
tu es sûre? :)
Mariemaths
c'est faux ..
fridabd
On cherche Δ
Δ=b²-4ac=(-14)²-4.1.49=196-196=0
Δ=0 ⇒une solution y1=y2=-b/2a=-(-14)/2.1=14/2=7
y²-14y+49=(y-7)²
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Aidez moi svp je dois le finir rapidement
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Helppppp me svp c'est un dm
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Si il y a quelqu'un fort en maths svp :)
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Aidez moi svp cest un dm que je dois finir avant demain .. Regardez la photo qu'il y a en dessous merci
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Pouvez vous m'aidez avec la photo ci dessous svp?
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=y(y-14)+49
Δ=b²-4ac=(-14)²-4.1.49=196-196=0
Δ=0 ⇒une solution y1=y2=-b/2a=-(-14)/2.1=14/2=7
y²-14y+49=(y-7)²