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Vài bài mũ loga cần giúp
1) [TEX]1 < 5^{ | x^2 - x | } < 25[/TEX]
2) [TEX](x^2 - 1)^{ x^2 + 2x } > | x^2 - 1 | ^3[/TEX]
3) [TEX]25.2^x - 10^x + 5^x > 25[/TEX]
4) [TEX]\frac{1}{2}.lg(5x - 4) + lg\sqrt{x + 1} = 2 + lg0,18[/TEX]
5) [TEX]\sqrt{log_{0,04}x + 1} + \sqrt{log_{0,2} + 3} = 1[/TEX]
6)[TEX]lg(lgx) + lg(lgx^3 - 2) = 0[/TEX]
7)[TEX]x + lg(4 - 5^x) = xlg2 + lg3[/TEX]
8) [TEX]3^{log^2_3x} + x^{log_3x} = 162[/TEX]
9) [TEX]log_3(x+1) + log_5(2x + 1) = 2 [/TEX]
10) [TEX] log_3\frac{|x^2 -4x | + 3}{x^2 + | x - 5|} \geq 0[/TEX]
11) [TEX]log_{\frac{1}{2}}x + log_3x > 1[/TEX]
12) [TEX] log_x2.log_{\frac{x}{16}}2 > \frac{1}{log_2x-6}[/TEX]
1) [TEX]1 < 5^{ | x^2 - x | } < 25[/TEX]
2) [TEX](x^2 - 1)^{ x^2 + 2x } > | x^2 - 1 | ^3[/TEX]
3) [TEX]25.2^x - 10^x + 5^x > 25[/TEX]
4) [TEX]\frac{1}{2}.lg(5x - 4) + lg\sqrt{x + 1} = 2 + lg0,18[/TEX]
5) [TEX]\sqrt{log_{0,04}x + 1} + \sqrt{log_{0,2} + 3} = 1[/TEX]
6)[TEX]lg(lgx) + lg(lgx^3 - 2) = 0[/TEX]
7)[TEX]x + lg(4 - 5^x) = xlg2 + lg3[/TEX]
8) [TEX]3^{log^2_3x} + x^{log_3x} = 162[/TEX]
9) [TEX]log_3(x+1) + log_5(2x + 1) = 2 [/TEX]
10) [TEX] log_3\frac{|x^2 -4x | + 3}{x^2 + | x - 5|} \geq 0[/TEX]
11) [TEX]log_{\frac{1}{2}}x + log_3x > 1[/TEX]
12) [TEX] log_x2.log_{\frac{x}{16}}2 > \frac{1}{log_2x-6}[/TEX]
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