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Friday, 9 October

JEE Main Maths · Conic Sections

Product of Focal Distances

Product of Focal Distances (Conic Sections) was asked 2 times in 2 JEE Main shifts, 2025, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2025
Usual format
Single correct
Multi-step
Pattern
New since 2024
repeats across shifts

How it is asked

  • Focal distances of point on ellipse
  • Extrema of product of focal distances

Difficulty

Easy 0Medium 2Hard 0

Where it sits

Chapter: Conic Sections. Topic: Ellipse Eccentricity, 20 questions over 10 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 2 Apr 2025, Shift 1 · Q4If S and S' are the foci of the ellipse x218+y29=1\frac{x^2}{18}+\frac{y^2}{9}=1 and P be a point on the ellipse, then…MediumSingle correct
  2. 8 Apr 2025, Shift 2 · Q12Let the ellipse 3x2+py2=43x^2 + py^2 = 4 pass through the centre CC of the circle x2+y2−2x−4y−11=0x^2 + y^2 - 2x - 4y - 11 = 0 of radius rr. Let f1,f2f_1, f_2…MediumSingle correct