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Grade: 12th pass
        
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
one year ago

Answers : (2)

Deepak Kumar Shringi
askIITians Faculty
4397 Points
							incomplete question but you can solve it by
c1c2=r1+r2
one year ago
kkbisht
90 Points
							
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?
one year ago
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