JEE Main 2021 — Binomial Theorem Question with Solution
From: JEE Main 2021 (Online) 25th July Evening Shift
Question
If the greatest value of the term independent of 'x' in the
expansion of is , then the value of 'a' is equal to :
expansion of is , then the value of 'a' is equal to :
Choose an option
Show full solutionCorrect option: D
Correct answer
D2
Step-by-step explanation
r = 0, 1, 2, ......., 10
Tr + 1 will be independent of x when 10 2r = 0 r = 5
will be greatest when sin2 = 1
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This is a previous-year question from JEE Main 2021, 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.