已知双曲线x2/a2-y2/b2=1(a>0,b>0)的离心率e=2根3/3过点A(a,0)B(0,-b)的直线与原点的距离是根3/2.1.已知直线y=kx+5(k不等于0)交双曲线于不同的点C,D,且C,D都在以B为圆心的圆上,求k的值.
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![已知双曲线x2/a2-y2/b2=1(a>0,b>0)的离心率e=2根3/3过点A(a,0)B(0,-b)的直线与原点的距离是根3/2.1.已知直线y=kx+5(k不等于0)交双曲线于不同的点C,D,且C,D都在以B为圆心的圆上,求k的值.](/uploads/image/z/10914119-71-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFx2%2Fa2-y2%2Fb2%3D1%28a%3E0%2Cb%3E0%29%E7%9A%84%E7%A6%BB%E5%BF%83%E7%8E%87e%3D2%E6%A0%B93%2F3%E8%BF%87%E7%82%B9A%28a%2C0%29B%280%2C-b%29%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%8E%9F%E7%82%B9%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%98%AF%E6%A0%B93%2F2.1.%E5%B7%B2%E7%9F%A5%E7%9B%B4%E7%BA%BFy%3Dkx%2B5%EF%BC%88k%E4%B8%8D%E7%AD%89%E4%BA%8E0%EF%BC%89%E4%BA%A4%E5%8F%8C%E6%9B%B2%E7%BA%BF%E4%BA%8E%E4%B8%8D%E5%90%8C%E7%9A%84%E7%82%B9C%2CD%2C%E4%B8%94C%2CD%E9%83%BD%E5%9C%A8%E4%BB%A5B%E4%B8%BA%E5%9C%86%E5%BF%83%E7%9A%84%E5%9C%86%E4%B8%8A%2C%E6%B1%82k%E7%9A%84%E5%80%BC.)
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