Решите неравенства
[tex] \frac{ x^{2} -6x+9}{ x^{2} -9} \leq 0[/tex]
[tex] \frac{ x^{2} +2x+1}{ x^{2} -1} \geq 0[/tex]
[tex] \frac{ x^{2} -6x+9}{ x^{2} -9} \leq 0[/tex]
[tex] \frac{ x^{2} +2x+1}{ x^{2} -1} \geq 0[/tex]
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