AM-68

Quadratic inequalities

A Math · Secondary 3 · Medium · Quadratic inequalities

1. $x<3-\sqrt6$ or $x>3+\sqrt6$
2. $3-\sqrt6<x<3+\sqrt6$
3. $x\le 3-\sqrt6$ or $x\ge 3+\sqrt6$
4. $x=3\pm\sqrt6$

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