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Mathematics in senior one must solve logarithmic function inequality.
Solution:

Logarithm is meaningful, the base numbers are a>0 and a≠ 1, and the true number >; 0,x & gt0

x^[loga(x)]<; Answer? x?

Classification discussion:

( 1)

a & gt 1,

loga[x^(loga(x))]<; loga(a? x? )

【loga(x)】? -2 loga(x)-3 & lt; 0

[loga(x)+ 1][loga(x)-3]& lt; 0

- 1 & lt; loga(x)& lt; three

1/a & lt; X< answer? The solution set of inequality is (1/a, a? )

(2)

0 & lta & lt 1,

loga[x^(loga(x))]>; loga(a? x? )

【loga(x)】? -2 loga(x)-3 & gt; 0

[loga(x)+ 1][loga(x)-3]& gt; 0

loga(x)& lt; -1 or loga(x) > 3

X> 1/a or 0

The solution set of inequality is (0, a? )U( 1/a,+∞)