решите неравенство 2x2-7x+3 БОЛЬШЕ 0. Created by milka524. matematika-ru

решите неравенство 2x2-7x+3 БОЛЬШЕ 0...

milka524 @milka524

July 2022 1 1 Report

решите неравенство 2x2-7x+3 БОЛЬШЕ 0

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kirichekov

Verified answer

2x²-7x+3>0. метод интервалов:
1. 2x²-7x+3=0, D=25. x₁=0,5. x₂=3
2. + - +
-----------(0,5)-----------(3)----------------->x

3. ответ: x∈(-∞;0,5)∪(3;∞)

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