JEE Main 2026 Mathematics question

MathematicsEllipseJEE Main 2026

Let S and S' be the foci of the ellipse and be a point on the ellipse in the first quadrant. If , then is equal to :

Answer: (4)

Solution

PS+PS'=10, PS.PS'=21. Solving gives , , sum=13.

Question ID VK-001161