1,x2+2x+y2+3y+1=0,2,x2-5x+y2+6y+3=0 标准方程,圆心,半径
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![1,x2+2x+y2+3y+1=0,2,x2-5x+y2+6y+3=0 标准方程,圆心,半径](/uploads/image/z/14326966-46-6.jpg?t=1%2Cx2%2B2x%2By2%2B3y%2B1%3D0%2C2%2Cx2-5x%2By2%2B6y%2B3%3D0+%E6%A0%87%E5%87%86%E6%96%B9%E7%A8%8B%2C%E5%9C%86%E5%BF%83%2C%E5%8D%8A%E5%BE%84)
1,x2+2x+y2+3y+1=0,2,x2-5x+y2+6y+3=0 标准方程,圆心,半径
1,x2+2x+y2+3y+1=0,2,x2-5x+y2+6y+3=0 标准方程,圆心,半径
1,x2+2x+y2+3y+1=0,2,x2-5x+y2+6y+3=0 标准方程,圆心,半径
(x+1)²-1+(y+3/2)²-9/4+1=0
(x+1)²+(y+3/2)²=9/4
(x+1)²+(y+3/2)²=(3/2)²
圆心为(-1,-3/2),半径为3/2
x2-5x+y2+6y+3=0
(x-5/2)²-25/4+(y+3)²-9+3=0
(x-5/2)²-25/4+(y+3)²-9+3=49/4
(x-5/2)²+(y+3)²=(7/2)²
圆心为(5/2,-3),半径为7/2