JEE Main Mathematics question

Mathematics Straight Lines JEE Main

The angle between the line joining origin and intersection points of line and curve is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

Homogenise the curve using : 3x^2+4xy-4x(2x+y)+(2x+y)^2=3x^2+4xy-8x^2-4xy+4x^2+4xy+y^2. This is , in

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Question ID VK-024377