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hoangtudk1996
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1.[TEX]3*{5}^{2x-1}-2*{5}^{x-1}<0.2[/TEX]
2.log[TEX](2{x}^{2}-5x+2)\geq 0[/TEX]
3.[TEX]{16}^{x+\frac{1}{2}}=15*{4}^{x}+4[/TEX]
4.[TEX]{9}^{x+1}+{3}^{x+2}=4[/TEX]
2.log[TEX](2{x}^{2}-5x+2)\geq 0[/TEX]
3.[TEX]{16}^{x+\frac{1}{2}}=15*{4}^{x}+4[/TEX]
4.[TEX]{9}^{x+1}+{3}^{x+2}=4[/TEX]