• 2022-06-15
    求锥面方程:顶点为[tex=3.929x1.357]DTt9ETNlpjtJrTjgn1dyeg==[/tex],准线为[tex=8.857x3.357]fnpmC2J6JmQBLyo5NmGAz89fzajrsY2GMIIvBoKtXjPe0rDBeeBBJJdDZkRFxPRIKyzlYe5x/fafOyYkOhuyHg4oCOoWYrhM7RDZBWTDlF8FCELReiJEF1pBNrAsocv1[/tex]。