JEE Main 2021 — Application Of Derivatives Question with Solution
From: JEE Main 2021 (Online) 20th July Morning Shift
Question
Let 'a' be a real number such that the function f(x) = ax2 + 6x 15, x R is increasing in and decreasing in . Then the function g(x) = ax2 6x + 15, xR has a :
Choose an option
Show full solutionCorrect option: A
Correct answer
Alocal maximum at x =
Step-by-step explanation
Local max. at
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This is a previous-year question from JEE Main 2021, 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.