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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Giải các phương trình : $\begin{array}{l} 1){2^x} = 128\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, 4)\,{25^x} - {6.5^{x + 1}} + {5^3} = 0\\ 2){3^{x - 1}} = \frac{1}{{729}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,5)\,{9^x} + {5.3^x} + 7 = 0\,\\ 3){4^x} + {2^x} - 6 = 0\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,6)\,{9^x} - {25.3^x} - 54 = 0 \end{array}$
Đăng bài 24-04-12 11:45 AM
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Đăng bài 04-05-12 11:45 AM
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Đăng bài 25-04-12 11:07 AM
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Đăng bài 24-04-12 01:45 PM
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Đăng bài 24-04-12 11:00 AM
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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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Đăng bài 25-04-12 11:57 AM
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Đăng bài 24-04-12 02:47 PM
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Đăng bài 24-04-12 02:27 PM
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