题目内容
(13分) 解不等式.
{x|-1<x≤1或2≤x<3}
本试题主要是考查了分式不等式的求解,将分式不等式转化为一元二次不等式来求解的等价转换思想的运用。先通分合并,再将分式写为整式,利用二次不等式的思想求解得到结论。
解:原不等式等价于≤0 ······················ 4分
≤0····························· 8分
由数轴穿根法可知原不等式解集为
{x|-1<x≤1或2≤x<3}··························· 13分
解:原不等式等价于≤0 ······················ 4分
≤0····························· 8分
由数轴穿根法可知原不等式解集为
{x|-1<x≤1或2≤x<3}··························· 13分
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