/

Learn

Saturday, 31 October

/

JEE Main 2023 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 15 April 2023, Shift 1, Maths Q7

Question 7 of 90 in this shift, Maths question 7 of 30, Section A.

Let

\left(a+bx+cx^2\right)^{10}=\sum_{i=0}^{20}p_ix^i

,

a,b,c\in\mathbb{N}

. If

p_1=20

and

p_2=210

, then

2(a+b+c)

is equal to

(1) $6$
(2) $8$
(3) $12$ Official answer
(4) $15$

Official answer

Option 3

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.