JEE Main 2015MathematicsBinomial TheoremMediumMCQ

JEE Main 2015Binomial Theorem Question with Solution

JEE Main 2015 (04 Apr)

Question

The sum of coefficients of integral powers of x in the binomial expansion of 1-2x50 is

Choose an option

Show full solutionCorrect option: B
Correct answer
B 1 2 3 50 + 1

Step-by-step explanation

Integral Power Term is same as odd term in exapansion

Odd Term =1-2x50+1+2x502

Sum of coefficients=1-250+1+2502=1+3502

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About this question

This is a previous-year question from JEE Main 2015, 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.