题目内容
解·········1分
··············2分
·········5分
··········6分
·········7分
·········8分
····9分
·········10分
·········11分
又当直线斜率不存在时,直线方程为=2,中点为(2,0)满足上述方程,
所以,所求中点N的轨迹方程为:·························13分
··············2分
·········5分
··········6分
·········7分
·········8分
····9分
·········10分
·········11分
又当直线斜率不存在时,直线方程为=2,中点为(2,0)满足上述方程,
所以,所求中点N的轨迹方程为:·························13分
略
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