JEE Main 2021 — Binomial Theorem Question with Solution
From: JEE Main 2021 (Online) 27th August Morning Shift
Question
is equal to :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
=
= 40C20
Using the formula :
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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.