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Alicia62800
@Alicia62800
May 2019
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Bonjour, j'ai un exercice de Math la question
Résoudre dans l'ensemble R l'équation 0,09x² - 6x +90 =0
Merci
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aymanemaysae
Bonjour ;
0,09x² - 6x +90 =0 ;
donc : Δ = (- 6)² - 4 * 0,09 * 90 = 36 - 32,4 = 3,6 ;
donc : x1 = (6 - √(3,6))/0,18 ≈ 22,79 et
x2 = (6 + √(3,6))/0,18 ≈ 43,87 .
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0,09x² - 6x +90 =0 ;
donc : Δ = (- 6)² - 4 * 0,09 * 90 = 36 - 32,4 = 3,6 ;
donc : x1 = (6 - √(3,6))/0,18 ≈ 22,79 et x2 = (6 + √(3,6))/0,18 ≈ 43,87 .