Mister Exam
logx^2+1(2*4^x-15*2^x+23)/(4^x-9*2^x+14)>=0 inequation
The solution
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x x
2 2*4 - 15*2 + 23
log (x) + ----------------- >= 0
x x
4 - 9*2 + 14
$$\frac{\left(- 15 \cdot 2^{x} + 2 \cdot 4^{x}\right) + 23}{\left(- 9 \cdot 2^{x} + 4^{x}\right) + 14} + \log{\left(x \right)}^{2} \geq 0$$
(-15*2^x + 2*4^x + 23)/(-9*2^x + 4^x + 14) + log(x)^2 >= 0
Solving inequality on a graph