求与圆X2+y2-2x=0外切且与直线X+根号3 y=0 相切于点M (3,-根号3)的圆的方程
人气:408 ℃ 时间:2019-12-14 10:54:06
解答
方法一:所求圆心(x,y),半径r圆x2+y2-2x=0圆心(1,0),半径1圆心距等于半径和(x-1)^2+y^2=(1+r)^2到直线距离r|x+√3y|/2=r√[(x-1)^2+y^2]=|x+√3y|/2+1化简:x^2-2√3xy-y^2-8x-√3y-2=0或x^2-2√3xy-y^2+√3y-2=...
推荐
猜你喜欢
- happiness is for everyone.求译!
- 写小数时,整数部分仍按( )的写法,整数部分是0的要写( ).
- 《人民解放军百万大军横渡长江》一文是按什么顺序报道三路军的渡江作战的?为什么这样安排顺序?
- 屏风,纳凉,帷幕,缓冲,造型,伧俗、雅俗之别造句
- To turn your dream into reality,you should first ______the hard life here which you has not got used to so far
- 足球循环赛中,红队胜黄队,比分为4:1,黄队胜蓝队,比分为1:0,蓝队胜红队,比分为1:0,算各队的净胜球数.
- 2.2*(-2.1)+1.21*4.2-2.1*0.22简算!
- it took him three hours to clean his bedroom的同义句