The point of lines represented by 3ax^2 + 5xy + (a^2 - 2)y^2 = 0 and perpendicular to each other for

JEE Main 2002 Mathematics question

The point of lines represented by and perpendicular to each other for

Answer: (1)

The pair of lines is perpendicular iff : . Its discriminant is , so there are two real values

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Question ID VK-038015