Log log log2 x 0. Log 1/2 x. log2x<1/2. log2(1-x)+log2(3-x)=3. log x x 1 2.

Log log log2 x 0. Log 1/2 x. log2x<1/2. log2(1-x)+log2(3-x)=3. log x x 1 2.
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