题目：
已知关于x的一元二次方程x2+（2k-1）x+k2+1=0，如果方程的两根之和等于两根之积，求k的值．
答案：
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参考答案：A
已知关于x的一元二次方程x2+（2k-1）x+k2+1=0，如果方程的两根之和等
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