bonjour
g(x) = 2 x² + x - 1
Δ = 1 ² - 4 ( 2 * -1) = 1 + 8 = 9
racine 1 = ( - 1 + 3)/4 = 3/4
racine 2 = ( - 1 - 3)/4 = - 4/4 = - 1
h(x) = - 3 x² + x + 4
Δ = 1² - 4 ( - 3 * 4) = 1 + 48 = 49
racine 1 = ( - 1 + 7) / - 6 = - 6/6 = - 1
racine 2 = ( - 1 - 7) / - 6 = 8/6 = 4/3
continue
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bonjour
g(x) = 2 x² + x - 1
Δ = 1 ² - 4 ( 2 * -1) = 1 + 8 = 9
racine 1 = ( - 1 + 3)/4 = 3/4
racine 2 = ( - 1 - 3)/4 = - 4/4 = - 1
h(x) = - 3 x² + x + 4
Δ = 1² - 4 ( - 3 * 4) = 1 + 48 = 49
racine 1 = ( - 1 + 7) / - 6 = - 6/6 = - 1
racine 2 = ( - 1 - 7) / - 6 = 8/6 = 4/3
continue