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�� #1

$�� (1�2).1. �) (x+2)(x-3)(x-4)0, x^2-x-12?0};�) {x^2+2x-3?0, (x+3)/(x-2)?0};�) {|x|?4,...$

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�� (1�2).

1. �) (x+2)(x-3)(x-4) < 0; �) (x+5)(x-2)/(x-1)^2?0.

2. �) (2x+1)/(x-3)?1; �) x/(x-4)+5/(x-1)+24/(x^2-5x+4)?0.

3. �� :

�) {x^2+x-2 > 0, x^2-x-12?0};

�) {x^2+2x-3?0, (x+3)/(x-2)?0};

�) {|x|?4, x^2-x-12?0}.

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