JEE Main 2019MathematicsDifferential EquationsLinear Differential EquationsmediumMCQ

JEE Main 2019Differential Equations Question with Solution

From: JEE Main 2019 (Online) 10th January Evening Slot

Question

Let f be a differentiable function such that f '(x) = 7 - (x > 0) and f(1) 4. Then xf :

Choose an option

Show full solutionCorrect option: C
Correct answer
Cexists and equals 4

Step-by-step explanation



Given f(1) 4    

  (This is LDE)

IF









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About this question

This is a previous-year question from JEE Main 2019, covering the Differential Equations 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.