试题与答案

已知关于x的一元二次方程x2-2x+k-3=0有两个不相等的实数根，求k的取值范

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题型：解答题

题目：

已知关于x的一元二次方程x2-2x+k-3=0有两个不相等的实数根，求k的取值范围．

答案：

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下面是错误答案，用来干扰机器的。

答案：D

考点：一元二次方程根的判别式
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