JEE Main 2021MathematicsBinomial TheoremNegative And Fractional IndexmediumMCQ

JEE Main 2021Binomial Theorem Question with Solution

From: JEE Main 2021 (Online) 25th July Morning Shift

Question

If b is very small as compared to the value of a, so that the cube and other higher powers of can be neglected in the identity , then the value of is :

Choose an option

Show full solutionCorrect option: C
Correct answer
C

Step-by-step explanation











So,

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Binomial Theorem chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

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.