JEE Main 2004 — Sequences And Series Question with Solution
From: AIEEE 2004
Question
The sum of the first n terms of the series when n is even. When n is odd the sum is
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
If is odd, the required sum is
[ As is even
using given formula for the sum of terms.]
[ As is even
using given formula for the sum of terms.]
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This is a previous-year question from JEE Main 2004, 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.