- 跟圆有关(高一)①已知线段AB的端点B(4,6),端点A在圆(x-4)²+y²=100上移动.(1)若线段AB的中点为M,那么点M的轨迹C是什么曲线?②(2)若直线L:mx-y+1-m=0,求直线L被曲线C截得的最长和
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![- 跟圆有关(高一)①已知线段AB的端点B(4,6),端点A在圆(x-4)²+y²=100上移动.(1)若线段AB的中点为M,那么点M的轨迹C是什么曲线?②(2)若直线L:mx-y+1-m=0,求直线L被曲线C截得的最长和](/uploads/image/z/2674613-29-3.jpg?t=-+%E8%B7%9F%E5%9C%86%E6%9C%89%E5%85%B3%EF%BC%88%E9%AB%98%E4%B8%80%EF%BC%89%E2%91%A0%E5%B7%B2%E7%9F%A5%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E7%AB%AF%E7%82%B9B%EF%BC%884%2C6%EF%BC%89%2C%E7%AB%AF%E7%82%B9A%E5%9C%A8%E5%9C%86%EF%BC%88x-4%EF%BC%89%26sup2%3B%2By%26sup2%3B%3D100%E4%B8%8A%E7%A7%BB%E5%8A%A8.%281%29%E8%8B%A5%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%E4%B8%BAM%2C%E9%82%A3%E4%B9%88%E7%82%B9M%E7%9A%84%E8%BD%A8%E8%BF%B9C%E6%98%AF%E4%BB%80%E4%B9%88%E6%9B%B2%E7%BA%BF%3F%E2%91%A1%EF%BC%882%EF%BC%89%E8%8B%A5%E7%9B%B4%E7%BA%BFL%EF%BC%9Amx-y%2B1-m%3D0%2C%E6%B1%82%E7%9B%B4%E7%BA%BFL%E8%A2%AB%E6%9B%B2%E7%BA%BFC%E6%88%AA%E5%BE%97%E7%9A%84%E6%9C%80%E9%95%BF%E5%92%8C)
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