JEE Main 2018 — Binomial Theorem Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
The coefficient of in the expansion of is equal to
Choose an option
Show full solutionCorrect option: A
Correct answer
A52
Step-by-step explanation
,
and
So, the possible combinations for are:
Corresponding coefficients are or .
Sum of the coefficient is
Therefore, the coefficient of in the expansion of is 52 .
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This is a previous-year question from JEE Main 2018, covering the Binomial Theorem 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.