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ospanova981
@ospanova981
August 2022
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Plz pomogite
Lg^2 x-4lgx=5
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belcatya
lg²x-4lgx=5
ОДЗ: x>0
Решение:
lg²x-4lgx-5=0
(lgx+1)(lgx-5)=0
lgx₁=-1 x₁=10⁻¹=0.1
lgx₂=5 x₂=10⁵=100000
Ответ: x₁=0.1, x₂=100000
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Answers & Comments
ОДЗ: x>0
Решение:
lg²x-4lgx-5=0
(lgx+1)(lgx-5)=0
lgx₁=-1 x₁=10⁻¹=0.1
lgx₂=5 x₂=10⁵=100000
Ответ: x₁=0.1, x₂=100000