Question

Решите неравенство.

 

числ.   x^2-x-2        <0

знам. x^2-5x+6    

Answer 1

$frac{x^{2}-x-2}{x^{2}-5x+6}<0$

 

$frac{(x+1)(x+2)}{(x-2)(x-3)}<0$

 

 

            +                                       -                           -                               +

___________________ -1_____________ 2 _______________ 3 ___________________

 

 

$(-1;2)cup(2;3)$