1) [m] 2 \log_{\left( {4 x - x^2 - 5}^{2} \right)} \left( {4 x^2 + 1} \right) \leq \log_{\left(x^2 - 4 x + 5 \right)} \left( {3 x^2 + 4 x + 1} \right) [/m]
3) [m] \log_{0.5}^{2} \left( {4 x} \right) \cdot \log_{0.25} \left( {0.25 x} \right)^2 \leq \log_{0.5} 5 \cdot \log_5 \frac{x}{4} [/m]
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