动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另,什么是圆心的
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![动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另,什么是圆心的](/uploads/image/z/5235900-60-0.jpg?t=%E5%8A%A8%E5%9C%86m%E4%B8%8E%E5%AE%9A%E5%9C%86c%3Ax%26%23178%3B%2By%26%23178%3B%EF%BC%8B4x%3D0%E7%9B%B8%E5%A4%96%E5%88%87%2C%E4%B8%94%E4%B8%8E%E7%9B%B4%E7%BA%BFx-2%3D0%E7%9B%B8%E5%88%87%2C%E5%88%99%E5%8A%A8%E5%9C%86m%E7%9A%84%E5%9C%86%E5%BF%83%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B%E4%B8%BA%3F%E5%8F%A6%E5%8A%A8%E5%9C%86m%E4%B8%8E%E5%AE%9A%E5%9C%86c%3Ax%26%23178%3B%2By%26%23178%3B%EF%BC%8B4x%3D0%E7%9B%B8%E5%A4%96%E5%88%87%2C%E4%B8%94%E4%B8%8E%E7%9B%B4%E7%BA%BFx-2%3D0%E7%9B%B8%E5%88%87%2C%E5%88%99%E5%8A%A8%E5%9C%86m%E7%9A%84%E5%9C%86%E5%BF%83%E7%9A%84%E8%BD%A8%E8%BF%B9%E6%96%B9%E7%A8%8B%E4%B8%BA%3F%E5%8F%A6%2C%E4%BB%80%E4%B9%88%E6%98%AF%E5%9C%86%E5%BF%83%E7%9A%84)
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动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另,什么是圆心的
动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另
动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?
另,什么是圆心的轨迹方程~怎么求?
动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另动圆m与定圆c:x²+y²+4x=0相外切,且与直线x-2=0相切,则动圆m的圆心的轨迹方程为?另,什么是圆心的
圆c:x²+y²+4x=0
C(-2,0),rC=2
M(x,y),-2