JEE Main 2021 — Sequences And Series Question with Solution
From: JEE Main 2021 (Online) 20th July Evening Shift
Question
If sum of the first 21 terms of the series , where x > 0 is 504, then x is equal to
Choose an option
Show full solutionCorrect option: D
Correct answer
D81
Step-by-step explanation
Given,
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This is a previous-year question from JEE Main 2021, 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.