Polynomials (id: 216e1d5e1)

本题目来源于试卷: Polynomials，类别为 IB数学

[填空题]
$\text { The quadratic equation } x^{2}-k x+(k-1)=0 \text { has roots } \alpha \text { and } \beta \text {. Without solving the equation, find the possible values of the real number } k \text { given that } \alpha^{2}+\beta^{2}=17 \text {. }$      

参考答案:
空格1: {-3|5}  空格2: {-3|5} 


本题详细解析:

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