1.

If the circle x^(2)+y^(2)+2ax+4ay-3a^(2)=0 and x^(2)+y^(2)-8ax-6ay+7a^(2)=0 touch each other externally, the point of contact is

Answer»

(a,a)
(0,a)
(a,0)
(-a,0)

ANSWER :C


Discussion

No Comment Found

Related InterviewSolutions