Помогите с логарифмическим неравенством:

1) [tex] \frac{ln(3y^{2}+2y+1) }{ln(5y^{2}-6y+1)} \geq \frac{log_{ 7^{5} }3 }{log_{7} 3} [/tex]
Привела к такому виду, а дальше никак :
[tex] \frac{ln(3y^{2}+2y+1) }{ln(5y^{2}-6y+1)} \geq \frac{1}{5} [/tex]

2) [tex]log_{ \sqrt{6} } (x-4)+log_{ \sqrt{6} } (x+1) \leq 2[/tex]
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