AP EAMCET Engineering 21 Apr 2019 Shift 2 Paper

Section: Mathematics

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Question : 52 of 160

Marks: +1, -0

If the angle between the circles x2+y2 + 4x - 5 = 0 and x2+y2 + 2λy - 4 = 0 is

π

3

then λ =

± √5
± 2
± √3
± √6

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