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Автор - muradhuseyn

найдите произведение корней уравнения 2х²-5=0

Ответ

Автор - millka000054
2х² - 5 = 0
2х² = 5
х² = 5 ÷ 2
х² = 2,5
х = ± √2,5.
√2,5 × (-√2,5) = -2,5.
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