(1)当b=1时,求k的值;(2)k>3求b的取值范围.我知道第二小题有点难,我就要第二小题的计算过程!已知圆C:x^2+y^2-2x-2y+1=0,直线L:y=kx,且L与圆C交与P、Q两点,点M(0,b)满足MP垂直MQ.
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![(1)当b=1时,求k的值;(2)k>3求b的取值范围.我知道第二小题有点难,我就要第二小题的计算过程!已知圆C:x^2+y^2-2x-2y+1=0,直线L:y=kx,且L与圆C交与P、Q两点,点M(0,b)满足MP垂直MQ.](/uploads/image/z/13110454-46-4.jpg?t=%EF%BC%881%EF%BC%89%E5%BD%93b%3D1%E6%97%B6%2C%E6%B1%82k%E7%9A%84%E5%80%BC%EF%BC%9B%EF%BC%882%EF%BC%89k%EF%BC%9E3%E6%B1%82b%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.%E6%88%91%E7%9F%A5%E9%81%93%E7%AC%AC%E4%BA%8C%E5%B0%8F%E9%A2%98%E6%9C%89%E7%82%B9%E9%9A%BE%2C%E6%88%91%E5%B0%B1%E8%A6%81%E7%AC%AC%E4%BA%8C%E5%B0%8F%E9%A2%98%E7%9A%84%E8%AE%A1%E7%AE%97%E8%BF%87%E7%A8%8B%21%E5%B7%B2%E7%9F%A5%E5%9C%86C%3Ax%5E2%2By%5E2-2x-2y%2B1%3D0%2C%E7%9B%B4%E7%BA%BFL%3Ay%3Dkx%2C%E4%B8%94L%E4%B8%8E%E5%9C%86C%E4%BA%A4%E4%B8%8EP%E3%80%81Q%E4%B8%A4%E7%82%B9%2C%E7%82%B9M%EF%BC%880%2Cb%EF%BC%89%E6%BB%A1%E8%B6%B3MP%E5%9E%82%E7%9B%B4MQ.)
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