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Автор - failjoi38

Показательные уравнения

Ответ

Автор - varr88

1)2^x=16

x=4

2) 7^x+1=1/7

x=-2

3)  (1/3)^x+1=1/27

x=2

4) 5^x=∛25

x=1/3

5) 4^x-1=16^2+x

4^x-1=4^2(2+x)

x-1=2(2+x)

x-1=4+2x

-x=5

x=5


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