JEE Main 9 January 2020, Shift 1, Maths Q71

Question 71 of 75 in this shift, Maths question 21 of 25, Section B.

The coefficient of

x^4

in the expansion of

(1+x+x^2)^{10}

is __________.

Official answer

615.00

NTA final key (Jan 2020).

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.