已知双曲线C的焦点F1(-5,0),F2(5,0),长轴长为6(1)设直线y=x+2交双曲线C于A,B两点,求线段AB的中点坐标..(2)若直线y=kx+2与该双曲线有一个交点,求k的取值范围.(3)若直线y=kx+2与该双曲线的一支有两个交
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![已知双曲线C的焦点F1(-5,0),F2(5,0),长轴长为6(1)设直线y=x+2交双曲线C于A,B两点,求线段AB的中点坐标..(2)若直线y=kx+2与该双曲线有一个交点,求k的取值范围.(3)若直线y=kx+2与该双曲线的一支有两个交](/uploads/image/z/342096-24-6.jpg?t=%E5%B7%B2%E7%9F%A5%E5%8F%8C%E6%9B%B2%E7%BA%BFC%E7%9A%84%E7%84%A6%E7%82%B9F1%28-5%2C0%29%2CF2%285%2C0%29%2C%E9%95%BF%E8%BD%B4%E9%95%BF%E4%B8%BA6%281%29%E8%AE%BE%E7%9B%B4%E7%BA%BFy%3Dx%2B2%E4%BA%A4%E5%8F%8C%E6%9B%B2%E7%BA%BFC%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9%2C%E6%B1%82%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%E5%9D%90%E6%A0%87..%282%29%E8%8B%A5%E7%9B%B4%E7%BA%BFy%3Dkx%2B2%E4%B8%8E%E8%AF%A5%E5%8F%8C%E6%9B%B2%E7%BA%BF%E6%9C%89%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%2C%E6%B1%82k%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.%283%29%E8%8B%A5%E7%9B%B4%E7%BA%BFy%3Dkx%2B2%E4%B8%8E%E8%AF%A5%E5%8F%8C%E6%9B%B2%E7%BA%BF%E7%9A%84%E4%B8%80%E6%94%AF%E6%9C%89%E4%B8%A4%E4%B8%AA%E4%BA%A4)
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