1已知点A(0,1);斜率为k的直线L,与圆C:(x-2)^2+(y-3)^2=1相交于M、N两个不同点.)求实数k取值范围.2)求证:向量AM乘向量AN为定值.3)若O为坐标原点,且向量OM*向量ON=12.求k的值.下午要交,请看
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![1已知点A(0,1);斜率为k的直线L,与圆C:(x-2)^2+(y-3)^2=1相交于M、N两个不同点.)求实数k取值范围.2)求证:向量AM乘向量AN为定值.3)若O为坐标原点,且向量OM*向量ON=12.求k的值.下午要交,请看](/uploads/image/z/4693873-49-3.jpg?t=1%E5%B7%B2%E7%9F%A5%E7%82%B9A%EF%BC%880%2C1%EF%BC%89%3B%E6%96%9C%E7%8E%87%E4%B8%BAk%E7%9A%84%E7%9B%B4%E7%BA%BFL%2C%E4%B8%8E%E5%9C%86C%EF%BC%9A%EF%BC%88x-2%EF%BC%89%5E2%2B%28y-3%29%5E2%3D1%E7%9B%B8%E4%BA%A4%E4%BA%8EM%E3%80%81N%E4%B8%A4%E4%B8%AA%E4%B8%8D%E5%90%8C%E7%82%B9.%EF%BC%89%E6%B1%82%E5%AE%9E%E6%95%B0k%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.2%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E5%90%91%E9%87%8FAM%E4%B9%98%E5%90%91%E9%87%8FAN%E4%B8%BA%E5%AE%9A%E5%80%BC.3%EF%BC%89%E8%8B%A5O%E4%B8%BA%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%2C%E4%B8%94%E5%90%91%E9%87%8FOM%2A%E5%90%91%E9%87%8FON%3D12.%E6%B1%82k%E7%9A%84%E5%80%BC.%E4%B8%8B%E5%8D%88%E8%A6%81%E4%BA%A4%2C%E8%AF%B7%E7%9C%8B)
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