JEE Main 2024 — Application Of Derivatives Question with Solution
From: JEE Main 2024 (Online) 1st February Morning Shift
Question
If and , then is strictly increasing in :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
........(1)
Replace by
..........(2)
Multiply equation (1) by 5 and multiply equation (2) by 4 and then subtract equation (2) from (1)
Replace by
..........(2)
Multiply equation (1) by 5 and multiply equation (2) by 4 and then subtract equation (2) from (1)
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Application Of Derivatives chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2024, 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.