M
mondays
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
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mn giúp mình
giải bất pt
a.[TEX]3^{2x+4}+45.6^x-9.2^{x+2}\leq0[/TEX]
b.[TEX]4x+8\sqrt{2-x^2}>4+(x^2-x)2x+x.2^{x+1}.\sqrt{2-x^2}[/TEX]
giải bất pt
a.[TEX]3^{2x+4}+45.6^x-9.2^{x+2}\leq0[/TEX]
b.[TEX]4x+8\sqrt{2-x^2}>4+(x^2-x)2x+x.2^{x+1}.\sqrt{2-x^2}[/TEX]