有点A(0,2)和圆C:(x-6)^2+(y-4)^2=5/36,一束光线从A点出发射到X轴上后沿圆的切线方向反射求这束光线从A点到切点所经过的路程
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![有点A(0,2)和圆C:(x-6)^2+(y-4)^2=5/36,一束光线从A点出发射到X轴上后沿圆的切线方向反射求这束光线从A点到切点所经过的路程](/uploads/image/z/11676438-54-8.jpg?t=%E6%9C%89%E7%82%B9A%EF%BC%880%2C2%EF%BC%89%E5%92%8C%E5%9C%86C%EF%BC%9A%EF%BC%88x-6%EF%BC%89%5E2%2B%28y-4%29%5E2%3D5%2F36%2C%E4%B8%80%E6%9D%9F%E5%85%89%E7%BA%BF%E4%BB%8EA%E7%82%B9%E5%87%BA%E5%8F%91%E5%B0%84%E5%88%B0X%E8%BD%B4%E4%B8%8A%E5%90%8E%E6%B2%BF%E5%9C%86%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E5%90%91%E5%8F%8D%E5%B0%84%E6%B1%82%E8%BF%99%E6%9D%9F%E5%85%89%E7%BA%BF%E4%BB%8EA%E7%82%B9%E5%88%B0%E5%88%87%E7%82%B9%E6%89%80%E7%BB%8F%E8%BF%87%E7%9A%84%E8%B7%AF%E7%A8%8B)
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