高中数学.设直线x-my-1=0与圆(x-1)^2+(y-2)^2=4相交于AB两点,且弦AB的长为2倍根号3.则实数m的值是
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![高中数学.设直线x-my-1=0与圆(x-1)^2+(y-2)^2=4相交于AB两点,且弦AB的长为2倍根号3.则实数m的值是](/uploads/image/z/7673212-28-2.jpg?t=%E9%AB%98%E4%B8%AD%E6%95%B0%E5%AD%A6.%E8%AE%BE%E7%9B%B4%E7%BA%BFx-my-1%3D0%E4%B8%8E%E5%9C%86%28x-1%29%5E2%2B%28y-2%29%5E2%3D4%E7%9B%B8%E4%BA%A4%E4%BA%8EAB%E4%B8%A4%E7%82%B9%2C%E4%B8%94%E5%BC%A6AB%E7%9A%84%E9%95%BF%E4%B8%BA2%E5%80%8D%E6%A0%B9%E5%8F%B73.%E5%88%99%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%80%BC%E6%98%AF)
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