试题与答案

中心在原点,对称轴为坐标轴的双曲线的渐近线方程为y=±x,且双曲线过点P(2,1

题型:填空题

题目:

中心在原点,对称轴为坐标轴的双曲线的渐近线方程为y=±x,且双曲线过点P(2,1),则双曲线的标准方程为______.

答案:

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