已知圆C:x^2+(y-1)^2=5,直线:mx-y+1-m=0 设L与圆C交于A.B两点,求AB中点M的轨迹方程
已知圆C:x^2+(y-1)^2=5,直线:mx-y+1-m=0 设L与圆C交于A.B两点,求AB中点M的轨迹方程
数学人气：691 ℃时间：2020-02-06 01:21:34
优质解答
圆心C(0,1)到直线L的距离d=|-m|/√(m²+1)
我来回答
类似推荐
猜你喜欢
- 1How mnch did you pay for these books?A.cost for B.spend on C.buy for D.took on
- 2Turn right at the third crossing怎么改一疑?
- 3小王驾车在公路上匀速行驶,他看到里程碑上的数是两位数...
- 4As we often see,some people work best in tasks alone,____ others work best in groups.
- 5水果店有苹果和梨共630箱,其中梨占总箱数的百分之二十,后来又运进一些梨,这时梨占总箱数的百分之三十,
- 6已知:9+√13与9-√13的小数部分分别是a和b,求代数式ab-3a+4b+8的值?
- 7There is a ten-minute break _____classes.A.between B.among C.of D in
- 8carry,bag,this,heavy,will,Daming(.)连词成句
- 9i would thank it还是i would appreciate
- 10积极向上的诗句