高中数学代数与函数一其他练习题86
题目内容

已知曲线 http://picflow.koolearn.com/upload/papers/20140823/20140823164857177779.pnghttp://picflow.koolearn.com/upload/papers/20140823/20140823164857193337.png处的切线恰好与抛物线 http://picflow.koolearn.com/upload/papers/20140823/20140823164857208618.png相切,则过该抛物线焦点且垂直于对称轴的直线与抛物线相交得的线段长为(   )

2021-07-16

A.http://picflow.koolearn.com/upload/papers/20140823/20140823164857208361.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823164857224312.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823164857240311.png

D.imag</p><p>E.png

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