JEE Main 2020 — Ellipse Question with Solution
From: JEE Main 2020 (Online) 4th September Morning Slot
Question
Let (a > b) be a given ellipse, length of whose latus rectum is 10. If its eccentricity is the maximum value of the function,
, then a2 + b2 is equal to :
, then a2 + b2 is equal to :
Choose an option
Show full solutionCorrect option: B
Correct answer
B126
Step-by-step explanation
Given ellipse (a > b)
Length of latus rectum
eccentricity (e) =
Also,
Length of latus rectum
eccentricity (e) =
Also,
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This is a previous-year question from JEE Main 2020, covering the Ellipse chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.