在平面直角坐标系中,已知圆x^2+y^2-8x+6=0过点P(0,2)且斜率为k的直线与圆M相交于不同的两点AB线段AB的中点为N(1)求k的取值范围(2)若ON平行于MP求k的值第一问我计算的答案是(-3,1/3)第2问怎
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![在平面直角坐标系中,已知圆x^2+y^2-8x+6=0过点P(0,2)且斜率为k的直线与圆M相交于不同的两点AB线段AB的中点为N(1)求k的取值范围(2)若ON平行于MP求k的值第一问我计算的答案是(-3,1/3)第2问怎](/uploads/image/z/10427819-59-9.jpg?t=%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%B7%B2%E7%9F%A5%E5%9C%86x%5E2%2By%5E2-8x%2B6%3D0%E8%BF%87%E7%82%B9P%EF%BC%880%2C2%29%E4%B8%94%E6%96%9C%E7%8E%87%E4%B8%BAk%E7%9A%84%E7%9B%B4%E7%BA%BF%E4%B8%8E%E5%9C%86M%E7%9B%B8%E4%BA%A4%E4%BA%8E%E4%B8%8D%E5%90%8C%E7%9A%84%E4%B8%A4%E7%82%B9AB%E7%BA%BF%E6%AE%B5AB%E7%9A%84%E4%B8%AD%E7%82%B9%E4%B8%BAN%EF%BC%881%EF%BC%89%E6%B1%82k%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%BC%882%EF%BC%89%E8%8B%A5ON%E5%B9%B3%E8%A1%8C%E4%BA%8EMP%E6%B1%82k%E7%9A%84%E5%80%BC%E7%AC%AC%E4%B8%80%E9%97%AE%E6%88%91%E8%AE%A1%E7%AE%97%E7%9A%84%E7%AD%94%E6%A1%88%E6%98%AF%EF%BC%88-3%2C1%2F3%29%E7%AC%AC2%E9%97%AE%E6%80%8E)
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