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Friday, 9 October

JEE Main Maths · Sequences and Series

AM-GM Inequality Application

AM-GM Inequality Application (Sequences and Series) was asked once in the 42 JEE Main shifts Lumi analysed, in 2020.

Times asked
1
in 1 shift
Years
2020
Usual format
Single correct
Multi-step
Pattern
Gone quiet
asked once so far

How it is asked

  • Minimum value of term in ap

Difficulty

Easy 0Medium 1Hard 0

Where it sits

Chapter: Sequences and Series. Topic: AP and GP, 59 questions over 17 ideas.

Other repeat ideas in this topic

Every time it came

The question

Newest first, each with its options and official answer.

  1. 8 Jan 2020, Shift 1 · Q56Let f:R→Rf:\mathbf{R}\to\mathbf{R} be such that for all x∈Rx\in\mathbf{R}, (21+x+21−x)(2^{1+x}+2^{1-x}), f(x)f(x) and (3x+3−x)(3^x+3^{-x}) are in A.P., then…MediumSingle correct