If the circles x2+y2-8x+2y+8=0 and x2+y2-2x-6y-a2=0 have exactly two common tangents, then prove that 2
If the circles x2+y2-8x+2y+8=0 and x2+y2-2x-6y-a2=0 have exactly two common tangents, then prove that 2
Pawan joshi , 6 Years ago
Grade 12th pass
Analytical Geometry> If the circles x2+y2-8x+2y+8=0 and x2+y2-...
2 AnswersDeepak Kumar Shringi
Last Activity: 6 Years ago
incomplete question but you can solve it by
c1c2=r1+r2
kkbisht
Last Activity: 6 Years ago
Dear deepak ,
My qustions is what exactly you need to prove ?The definition and equation of two circles is ok but what the student wants to prove that is not clear.
Please specify that. I will answer any thing you want to ask but specify clearly?
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