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MathsJEE Main 22 Jan 2026, Shift 1·Q17·MCQ·Easy–moderate

Conic Sections · Parabola chord subtending right angle

If the chord joining the points P1(x1,y1)P_1(x_1, y_1) and P2(x2,y2)P_2(x_2, y_2) on the parabola y2=12xy^2 = 12x subtends a right angle at the vertex of the parabola, then x1x2−y1y2x_1x_2 - y_1y_2 is equal to
  1. (1)288
  2. (2)280
  3. (3)284
  4. (4)292

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See the full 22 Jan 2026, Shift 1 paper