JEE Main 2023 — Sequences And Series Question with Solution
From: JEE Main 2023 (Online) 8th April Morning Shift
Question
Let and \sum_\limits{j=1}^{n} S_{j}^{2}=\frac{n}{A}\left(B n^{2}+C n+D\right), where and has least value. Then
Choose an option
Show full solutionCorrect option: D
Correct answer
D is divisible by
Step-by-step explanation
On comparing, we get
(A) , which is not divisible by 5.
(B) , which is divisible by 2(B).
(C)
(D) , divisible by 13.
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This is a previous-year question from JEE Main 2023, covering the Sequences And Series chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.