/

Learn

Saturday, 31 October

/

JEE Main 2022 · MathsNumerical answerNumerical valueMediumMulti-step

JEE Main 30 June 2022, Shift 1, Maths Q22

Question 22 of 90 in this shift, Maths question 22 of 30, Section B.

Let for

f(x) = a_0x^2 + a_1x + a_2

,

f'(0) = 1

and

f'(1) = 0

. If

a_0, a_1, a_2

are in an arithmatico-geometric progression, whose corresponding A.P. has common difference 1 and corresponding G.P. has common ratio 2, then

f(4)

is equal to __________.

Official answer

2

NTA final key.

Chapter: Sequences and Series
Topic: Arithmetico-Geometric Series
Idea tested: AGP General Term

Same idea in other shifts

Asked 2× in all

10 Apr 2023, Shift 2 · Q24Suppose $a_1, a_2, 2, a_3, a_4$ be in an arithmetico-geometric progression. If the common ratio of the corresponding geometric progression…MediumNumerical value

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.