JEE Main 2023 — Sequences And Series Question with Solution
From: JEE Main 2023 (Online) 8th April Evening Shift
Question
Let be the term of the series and \mathrm{S}_{\mathrm{n}}=\sum_\limits{k=1}^{n} a_{k}. Then is equal to :
Choose an option
Show full solutionCorrect option: B
Correct answer
B11290
Step-by-step explanation
Let
and
On subtracting, we get
and
On subtracting, we get
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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.