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secondary 3 | A Maths
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Date Posted: 2 years ago
Views: 483
3x+2y ⇨ 9x+6y = 30
3/x+2/y ⇨ 4x+6y = 10xy
x•(11-3x)= 6
3x² -11x + 6 = 0
x₁ = 3 ； y₁ = 0.5
x₂ = ⅔ ； y₂ = 4
P₁(x₁ , y₁ ) = (3 , 0.5)
P₂(x₂ , y₂ ) = (⅔ , 4)
3/x+2/y ⇨ 4x+6y = 10xy
x•(11-3x)= 6
3x² -11x + 6 = 0
x₁ = 3 ； y₁ = 0.5
x₂ = ⅔ ； y₂ = 4
P₁(x₁ , y₁ ) = (3 , 0.5)
P₂(x₂ , y₂ ) = (⅔ , 4)
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Date Posted:
2 years ago
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