NightOfThePiano
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Giải pt:
\[log_{3-x}(2x+1).log_{2x+1}(x^2) \leq log_{3-x}(3x+1).log_{3x+1}(x+2)\]
\[log_{3-x}(2x+1).log_{2x+1}(x^2) \leq log_{3-x}(3x+1).log_{3x+1}(x+2)\]
Giải pt:
\[log_{3-x}(2x+1).log_{2x+1}(x^2) \leq log_{3-x}(3x+1).log_{3x+1}(x+2)\]