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Числа x1 и х2 являются корнями уравнения х^2-6x+3=0. найдите значения выражения 1/x1+1/х2

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Ilay64
4,7(34 оценок)

D= b^2 - 4ac = 24 x₁ = (6 - 2√8)/2 x₂ = (6 + 2√8)/2 1/x₁ + 1/x₂ = 2/(6-2√8) + 2/(6+2√8) =  =  = 24/24 = 1
volkovaar2000
4,8(73 оценок)

 

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