If the angle between the circles x^2+y^2-4x-6y-3=0, x^2+y^2+8x-4y-\lambda=0\is 60^\circ, then a value of λ is

AP EAMCET Engineering 25 Apr 2017 Shift 1 Paper

Section: Mathematics

Question : 54 of 160

Marks: +1, -0

If the angle between the circles x2+y2−4x−6y−3=0, x2+y2+8x−4y−λ=0‌is‌60°, then a value of λ is

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