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If O is the origin and OP, OQ are the tangents from the origin to the circle x2+y2−6x+4y+8=0, the circumcenter of the triangle OPQ is |
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Answer» If O is the origin and OP, OQ are the tangents from the origin to the circle x2+y2−6x+4y+8=0, the circumcenter of the triangle OPQ is |
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