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[tex] \frac{ x^{2}-5x-6}{ x^{2} -1} \leq \frac{x-9}{x-1} + \frac{2}{x-3} [/tex]
[tex] \frac{ x^{2}-5x-6}{ x^{2} -1} \leq \frac{x-9}{x-1} + \frac{2}{x-3} [/tex]
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_______-______(-1)_____-____(1)_____+____(3)_____-____(7)
x∈(-∞;-1)U(-1;1)U(3;7]