试题与答案

已知关于x的一元二次方程(12k-1)x2-(k+1)x+12k+1=0有实数根

题型:解答题

题目:

已知关于x的一元二次方程(
1
2
k-1)x2-(k+1)x+
1
2
k+1=0
有实数根,求实数k的取值范围.

答案:

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参考答案:应当当场书面答复。

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I still remember visiting Moscow. It is the c  1  of Russia(俄罗斯), the b  2   country in the world. I go there with my parents at the age of eight. I live and study there for one year, I have some happy memories(记忆).

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