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  4. If 2x - 3y = 0 is the equation of the common chord of the circles x2 + y2 + 4x = 0 and x2 + y2 + 2λ y = 0, then the value of λ is

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Q. If 2x−3y=0 is the equation of the common chord of the circlesx2+y2+4x=0 and x2+y2+2λy=0, then the value of λ is

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Solution:

Correct answer is (a) 3