JEE Main 2021 — Application Of Derivatives Question with Solution
From: JEE Main 2021 (Online) 25th February Morning Shift
Question
If the curves, and intersect each other at an angle of 90, then which of the following relations is TRUE?
Choose an option
Show full solutionCorrect option: D
Correct answer
Da b = c d
Step-by-step explanation
..........(1)
Differentiating both sides :
............(2)
........(3)
Differentiating both sides : ...........(4)
.............(5)
(using 5)
Differentiating both sides :
............(2)
........(3)
Differentiating both sides : ...........(4)
.............(5)
(using 5)
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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.