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Hel21
@Hel21
August 2022
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Решите уравнения
n в квадрате - 8,6n=0 (у-4)в квадрате + 8у=(y+5) в квадрате
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maximarestov
N^2 - 8.6n = 0
n(n -8.6) = 0
1) n = 0
2) n - 8.6 = 0
n = 8.6
y^2 - 8y + 16 + 8y = y^2 + 10y + 25
Сокращаем y^2 с двух сторон
- 8у и 8у взаимо уничтожаются
16 = 10y + 25
y = - 9/10
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Answers & Comments
n(n -8.6) = 0
1) n = 0
2) n - 8.6 = 0
n = 8.6
y^2 - 8y + 16 + 8y = y^2 + 10y + 25
Сокращаем y^2 с двух сторон
- 8у и 8у взаимо уничтожаются
16 = 10y + 25
y = - 9/10