The coefficient of $x^7$ in $(1-x+2x^3)^{10}$ is ____________.

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JEE Main 2023 · MathsNumerical answerNumerical valueMediumCalculation

JEE Main 10 April 2023, Shift 1, Maths Q25

Question 25 of 90 in this shift, Maths question 25 of 30, Section B.

The coefficient of

x^7

(1-x+2x^3)^{10}

is ____________.

Official answer

960

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.