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判断下列两圆的位置关系. (1)C1:x2+y2-2x-3=0,C2:x2+y2-4x+2y+3=0;___________ (2)C1:x2+y2-2y=0,C2:x2+y2-2x-6=0;____...
题目内容:
判断下列两圆的位置关系.
(1)C1:x2+y2-2x-3=0,C2:x2+y2-4x+2y+3=0;___________
(2)C1:x2+y2-2y=0,C2:x2+y2-2x-6=0;___________
(3)C1:x2+y2-4x-6y+9=0,C2:x2+y2+12x+6y-19=0;___________
(4)C1:x2+y2+2x-2y-2=0,C2:x2+y2-4x-6y-3=0.___________
(5)x2+y2=9和x2+y2-8x+6y+9=0 ________________
(6)圆C1:x2+y2-2x-6y-6=0与圆C2:x2+y2-4x+2y+4=0______
(7)圆x2+y2+6x-7=0和圆x2+y2+6y-27=0 ____________
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