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omigovich
@omigovich
July 2022
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найдите сумму и произведение корней уравнения
x²-7x+2=0
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inblu
Verified answer
X²-7x+2=0 - это приведенное квадратное уравнение, т.к. а=1.
По теореме Виета:
x₁+x₂=-(-7)=7
x₁*x₂=2
x₁ и х₂ - корни уравнения.
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Answers & Comments
Verified answer
X²-7x+2=0 - это приведенное квадратное уравнение, т.к. а=1.По теореме Виета:
x₁+x₂=-(-7)=7
x₁*x₂=2
x₁ и х₂ - корни уравнения.