the equation of the two circles are x2+y2+2ax+5=0 and x2+y2+2ay+5=0. P is any point on the line x-y=0. If PA and PB are the lengths of the tangent from P to the circles and PA=3 then find PB.
Nishtha Gahlot , 7 Years ago
Grade 12
1 Answers
Saurabh Koranglekar
Last Activity: 4 Years ago
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