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knownothing1
@knownothing1
August 2022
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решите plizz все на картинке
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математик2011
-1/5х² = -20
х² = -20*(-5)
х² = 100
х₁ = 10
х₂= - 10
1 votes
Thanks 0
marmarie
Уравнение: -1/5 x^2 + 20 = 0
Решение:
1/5
x^2 = 20
x^2 = 20 / (1/5)
x^2 = 100
x = 10
Ответ: 10
1 votes
Thanks 0
marmarie
И (-10)
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Answers & Comments
х² = -20*(-5)
х² = 100
х₁ = 10
х₂= - 10
Решение:
1/5 x^2 = 20
x^2 = 20 / (1/5)
x^2 = 100
x = 10
Ответ: 10