Числа x1 и х2 являются корнями уравнения х^2-6x+3=0. найдите значения выражения 1/x1+1/х2
172
301
Ответы на вопрос:
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
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