ОДЗ : x > 0
0\\\\1)\left \{ {{lgx>0} \atop {x^{2}-2x>0 }} \right. \\\\\left \{ {{x>1} \atop {x(x-2)>0}} \right." alt="\frac{lgx}{x^{2}-2x }>0\\\\1)\left \{ {{lgx>0} \atop {x^{2}-2x>0 }} \right. \\\\\left \{ {{x>1} \atop {x(x-2)>0}} \right." align="absmiddle" class="latex-formula">
+ - +
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0 2
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1
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x ∈ (2 ; + ∞)
+ - +
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0 2
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x ∈ (0 ; 1)
Ответ : (0 ; 1) ∪ (2 , + ∞)