JEE Main 2002 — Application Of Derivatives Question with Solution
From: AIEEE 2002
Question
If then the quadratic equation has
Choose an option
Show full solutionCorrect option: A
Correct answer
Aat least one root in
Step-by-step explanation
Let and
Also is continuous and differentiable in and
So by Rolle's theorem
i.e has at least one root in
Also is continuous and differentiable in and
So by Rolle's theorem
i.e has at least one root in
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This is a previous-year question from JEE Main 2002, covering the Application Of Derivatives 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.