题目内容
(本题6分)已知关于的方程.【小题1】(1)如果此方程有两个不相等的实数根,求m的取值范围;
【小题2】(2)在(1)中,若m为符合条件的最大整数,求此时方程的根.
【小题1】(1)解:.
.········································· 1分
∵该方程有两个不相等的实数根,
∴.······································································· 2分
解得.
∴m的取值范围是
【小题2】(2)解:∵,
∴符合条件的最大整数是.················································ 4分
此时方程为 ,
解得.
∴方程的根为,.解析:
略
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