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Saturday, 31 October

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JEE Main 2021 · MathsNumerical answerNumerical valueMediumCalculation

JEE Main 31 August 2021, Shift 1, Maths Q81

Question 81 of 90 in this shift, Maths question 21 of 30, Section B.

If

\left(\frac{3^6}{4^4}\right)\mathrm{k}

is the term, independent of

x

, in the binomial expansion of

\left(\frac{x}{4}-\frac{12}{x^2}\right)^{12}

, then k is equal to __________.

Official answer

55

NTA final key.

Chapter: Binomial Theorem
Topic: No close match in our taxonomy
Idea tested: No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.