试题与答案

已知:方程x2+(2a+1)x+a2-2=0的两个实数根的平方和等于11,求a的

题型:解答题

题目:

已知:方程x2+(2a+1)x+a2-2=0的两个实数根的平方和等于11,求a的值。

答案:

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