经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为_______.(两条)
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![经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为_______.(两条)](/uploads/image/z/3702828-12-8.jpg?t=%E7%BB%8F%E8%BF%87%E7%82%B9P%281%2C-2%29%E4%B8%8E%E5%9C%86x%26%23178%3B%2By%26%23178%3B%2B2x-2y-2%3D0%E7%9A%84%E5%88%87%E7%BA%BF%E6%96%B9%E7%A8%8B%E4%B8%BA_______.%EF%BC%88%E4%B8%A4%E6%9D%A1%EF%BC%89)
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经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为_______.(两条)
经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为_______.(两条)
经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为_______.(两条)
经过点P(1,-2)与圆x²+y²+2x-2y-2=0的切线方程为
x=1或5x+12y+19=0.