December 2021 1 10 Report
Решить неравенства методом интервалов

[tex]\frac{x^{2}+2x-3 }{(x-7)(x+5)} \geq 0\\\frac{(x-2)^{2} }{(x-1)(x-3)} \ \textgreater \ 0\\\frac{(x+2)(x^{2}-4x+7 )}{x-5} < 0[/tex]
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