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Thaynasjuahs
@Thaynasjuahs
November 2019
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URGENTE: Resolva a equação x²-5x+6=0
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Mateatleta
Usando a fórmula quadratica,
x= [-(-5)+-√(-5)^2-4*1*6]:2*1
x=(5+-1):2
Portanto, as soluções são:
x=2,3
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jjzejunio
Equação do 2° grau
x² - 5x + 6 = 0
a = 1
b = -5
c = 6
∆ = (-5)² - 4.1.6
∆ = 25 - 24
∆ = 1
x = -(-5) ± √1/2.1
x = 5 ± 1/2
x' = 5 + 1/2 = 6/2 = 3
x" = 5 - 1/2 = 4/2 = 2
S={ 3, 2 }
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x= [-(-5)+-√(-5)^2-4*1*6]:2*1
x=(5+-1):2
Portanto, as soluções são:
x=2,3
x² - 5x + 6 = 0
a = 1
b = -5
c = 6
∆ = (-5)² - 4.1.6
∆ = 25 - 24
∆ = 1
x = -(-5) ± √1/2.1
x = 5 ± 1/2
x' = 5 + 1/2 = 6/2 = 3
x" = 5 - 1/2 = 4/2 = 2
S={ 3, 2 }