题库网
#b2fb447c-bc1f-45e7-b428-c78260062c14中等填空题直线与圆的位置关系直线与圆+圆锥曲线

16.已知点PP在圆C1:(x2)2+y2=4{C}_{1}:(x-2)^{2}+{y}^{2}=4上,点QQ在圆C2:x2+y2+2x8y+13=0{C}_{2}:{x}^{2}+{y}^{2}+2x-8y+13=0上,则((  ))