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Автор - SchoolBeast

Решите неравенство...
lg^2 x-2lg x >3

Ответ

Проверено экспертом

Автор - Alexаndr
OD3:x textgreater  0\lg^2x-2lgx-3 textgreater  0\lg^2x-2lgx-3=0\begin{cases}lgx_1+lgx_2=2\lgx_1*lgx_2=-3end{cases}\lgx_1=-1      ;lgx_2=3\x_1=0,1         x_2=1000\///(+)///(0,1)...(-)...(1000)///(+)/// textgreater  x\(0)//////////////////////////////// textgreater  x\xin(0;0,1)cup(1000;+infty)\OTBET:0 textless  x textless  0,1;x textgreater  1000

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