Giải phương trình : ${x^2}{.2^{x + 1}} + {2^{\left| {x - 3} \right| + 2}} = {x^2}{.2^{\left| {x - 3} \right| + 4}} + {2^{x - 1}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)$
Đăng bài 24-04-12 03:09 PM
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Giải các phương trình :
$\begin{array}{l} 1)\,{3.2^{\sqrt{x}-1}} - {8.2^{\frac{{\sqrt {x} - 1}}{2} }}+4 = 0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)\\
2)\,\,{81^x} - {16^x} - 2\left( {{9^x} - {4^x}} \right) + {36^x} = 0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(2) \end{array}$
Đăng bài 24-04-12 03:07 PM
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Giải phương trình : ${\left( {2 + \sqrt 3 } \right)^{{x^2} - x + 1}} + {\left( {2 - \sqrt 3 } \right)^{{x^2} - x - 1}} = \frac{2}{{\left( {2 - \sqrt 3 } \right)}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)$
Đăng bài 24-04-12 03:00 PM
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Đăng bài 24-04-12 02:58 PM
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Đăng bài 24-04-12 02:54 PM
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Giải phương trình : ${2^{{x^2} + 4}} = {2^{2\left( {{x^2} + 1} \right)}} + \sqrt {{2^{2\left( {{x^2} + 2} \right)}} - {2^{{x^2} + 3}} + 1} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)$
Đăng bài 24-04-12 02:52 PM
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Giải các phương trình : $\begin{array}{l} 1)\,\,{x^{3 - \lg \frac{x}{3}}} = 900\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,3)\,\,{8^{{x^3} - 1}} + {18^{{x^3} - 1}} = {2.27^{{x^3} - 1}}\\ 2)\,\,{49^{\frac{1}{x}}} - {35^{\frac{1}{x}}} = {25^{\frac{1}{x}}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,4)\,\,{4.3^x} - {9.2^x} = {5.6^{\frac{x}{2}}} \end{array}$
Đăng bài 24-04-12 02:50 PM
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Đăng bài 24-04-12 02:47 PM
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Giải các phương trình : $\begin{array}{l} 1)\,\,{5^{3x}} + {9.5^x} + 27\left( {{5^{ - 3x}} + {5^{ - x}}} \right) = 64\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)\\ 2)\,{2^{3x}} - \frac{8}{{{2^{3x}}}} - 6\left( {{2^x} - \frac{1}{{{2^{x - 1}}}}} \right) = 1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(2) \end{array}$
Đăng bài 24-04-12 02:43 PM
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Đăng bài 24-04-12 02:40 PM
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Đăng bài 24-04-12 02:33 PM
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Đăng bài 24-04-12 02:31 PM
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Đăng bài 24-04-12 02:27 PM
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Giải các phương trình : $\begin{array}{l} 1)\,{\left( {\frac{1}{4}} \right)^{x - 2}} = {2^{5 - x}} + 9\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,3)\,{\left( {\frac{1}{6}} \right)^{x - 3}} = {6^{5 - 2x}} - 12\\ 2)\,\frac{3}{{{2^{3 - x}}}} = {4^{x - 4}} - 7\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,4)\,{5^{2x - 3}} = \frac{2}{{{5^{1 - x}}}} + 15 \end{array}$
Đăng bài 24-04-12 02:25 PM
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Giải các phương trình : $\begin{array}{l} 1)\,{5^{\left| {4x - 6} \right|}} = {25^{3x - 4}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(1)\\ 2)\,{3^{\left| {3x - 4} \right|}} = {9^{2x - 2}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(2) \end{array}$
Đăng bài 24-04-12 02:22 PM
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