Parabola Chord Right Angle Vertex (Jee Mains)

Parabola

Medium

Parabola Chord Right Angle Vertex

If the chord joining the points P₁(x₁, y₁) and P₂(x₂, y₂) on the parabola y² = 12x subtends a right angle at the vertex of the parabola, then x₁x₂ – y₁y₂ is equal to

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