JEE Main 2019 — Differentiation Question with Solution
JEE Main 2019 (11 Jan Shift 1)
Question
If then at is
equal to :
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Consider the equation,
Differentiate both sides w.r.t.
When . Put these values in (1),
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This is a previous-year question from JEE Main 2019, covering the Differentiation 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.