皮皮学，免费搜题
登录
搜题
【简答题】
．．已知动圆P过点 并且与圆 相外切，动圆圆心P的轨迹为W，过点N的直线 与轨迹W交于A、B两点。 （1）求轨迹W的方程； （2）若 ，求直线 的方程； （3）对于 的任意一确定的位置，在直线 上是否存在一点Q，使得 ，并说明理由。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Dear Students， I am very happy to be your guest speaker today. It is a great pleasure to visit your school and to meet all of you. I would like to tell you about myself. I have been a news reporter fo...
【简答题】用动词的适当形式填空 He (be)_______rich in those days. I (go)______to the Europe last year. She (tell)_____me a story last evening Tom seldom (get up)_______before 9 o'clock on Saturday. At that moment I (have)...
【简答题】Dear Students, I am delighted to be your guest. I would like to tell you about myself. I have been a news reporter for the past fif years. I chose this job so I could travel the world, but the job...
【单选题】Look at the expressions below. Which are said by a guest? 1 Can I get you a drink? 2 Yes, it’s just down there on the left. 3 It all looks good. What do you recommend? 4 Would you like me to show you ...
A.
3，6，7，8
B.
3，5，7，9，10
C.
1，6，8，9，10
D.
3，6，8，9，10
相关题目：
参考解析：
知识点：
题目纠错 0
发布
