JEE Main 2011 — Binomial Theorem Question with Solution
From: AIEEE 2011
Question
The coefficient of in the expansion of is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Given,
=
=
=
Coefficient of x7 =
= 120 - 300 + 36 = - 144
=
=
=
Coefficient of x7 =
= 120 - 300 + 36 = - 144
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This is a previous-year question from JEE Main 2011, 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.