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cocodu16
@cocodu16
June 2021
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Factoriser ou trouver les solutions de f(x): 4x²-4x+1
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shanaclaes98
Ça vient de l'identité remarquable (a-b)²=a²-2ab+b²
donc 4x²-4x+1=(2x-1)²
(2x-1)²=0
2x-1=0
2x=1
x=1/2
3 votes
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donc 4x²-4x+1=(2x-1)²
(2x-1)²=0
2x-1=0
2x=1
x=1/2