1) [tex]3* 9^{x} = 2* 15^{x} + 5* 25^{x} [/tex]
2)[tex]3^{1+x}+ 3^{2-x}<28 [/tex]
3)[tex] \frac{3}{ \sqrt{ 27^{x}}} < \frac{3}{9^{x} } [/tex]
2)[tex]3^{1+x}+ 3^{2-x}<28 [/tex]
3)[tex] \frac{3}{ \sqrt{ 27^{x}}} < \frac{3}{9^{x} } [/tex]
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Решение смотри на фотографии