高一直线与圆的位置关系!1.过点P(-3,-4)作直线L,当L的斜率为何值时,(1)直线L将圆(X-1)^2+(Y+2)^2=4平分(2)直线L与圆(X-1)^2+(Y+2)^2=4相切(3)直线L与圆(X-1)^2+(Y+2)^2=4相交,且所截得的弦长为2 2.已知过点A(-1,
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![高一直线与圆的位置关系!1.过点P(-3,-4)作直线L,当L的斜率为何值时,(1)直线L将圆(X-1)^2+(Y+2)^2=4平分(2)直线L与圆(X-1)^2+(Y+2)^2=4相切(3)直线L与圆(X-1)^2+(Y+2)^2=4相交,且所截得的弦长为2 2.已知过点A(-1,](/uploads/image/z/14994907-43-7.jpg?t=%E9%AB%98%E4%B8%80%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%9C%86%E7%9A%84%E4%BD%8D%E7%BD%AE%E5%85%B3%E7%B3%BB%211.%E8%BF%87%E7%82%B9P%28-3%2C-4%29%E4%BD%9C%E7%9B%B4%E7%BA%BFL%2C%E5%BD%93L%E7%9A%84%E6%96%9C%E7%8E%87%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%281%29%E7%9B%B4%E7%BA%BFL%E5%B0%86%E5%9C%86%28X-1%29%5E2%2B%28Y%2B2%29%5E2%3D4%E5%B9%B3%E5%88%86%282%29%E7%9B%B4%E7%BA%BFL%E4%B8%8E%E5%9C%86%28X-1%29%5E2%2B%28Y%2B2%29%5E2%3D4%E7%9B%B8%E5%88%87%283%29%E7%9B%B4%E7%BA%BFL%E4%B8%8E%E5%9C%86%28X-1%29%5E2%2B%28Y%2B2%29%5E2%3D4%E7%9B%B8%E4%BA%A4%2C%E4%B8%94%E6%89%80%E6%88%AA%E5%BE%97%E7%9A%84%E5%BC%A6%E9%95%BF%E4%B8%BA2+2.%E5%B7%B2%E7%9F%A5%E8%BF%87%E7%82%B9A%28-1%2C)
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