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sekinaev123
@sekinaev123
December 2022
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Решите уравнение. Помогите пожалуйста
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ssdiligool
замена log5x = a
a^2 + a - 2 = 0
Д = 1+8 = 9
а = (-1+3):2 = 1
а = (-1-3):2 = -2
log5x = 1. log5x = -2
x = 5. x= 1/25
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Answers & Comments
a^2 + a - 2 = 0
Д = 1+8 = 9
а = (-1+3):2 = 1
а = (-1-3):2 = -2
log5x = 1. log5x = -2
x = 5. x= 1/25