AP EAMCET Engineering 2018 Apr 22 Shift 1 Paper

Section: Mathematics

Question : 49 of 160

Marks: +1, -0

If the lengths of the tangents drawn from P to the circles x2+y2 - 2x + 4y - 20 = 0 and x2+y2 - 2x - 8y + 1 = 0 are in the ratio 2:1. then the locus of P is

x2+y2 + 2x + 12y + 8 = 0
x2+y2 - 2x + 12y + 8 = 0
x2+y2 + 2x - 12y + 8 = 0
x2+y2 - 2x - 12y + 8 = 0

Validate

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