JEE Main 2018 — Application of Derivatives Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
If is a quadratic expression such that (2) , and is a root of , then the other root of is
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
If and are the roots of the polynomial, then we get
Therefore, the other root is
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This is a previous-year question from JEE Main 2018, 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.