JEE Main 2012 — Sequences and Series Question with Solution
JEE Main 2012 (12 May Online)
Question
The sum of the series
upto 15 terms is
Choose an option
Show full solutionCorrect option: C
Correct answer
C3
Step-by-step explanation
Given series is
Thus, given series upto 15 terms is
This can be re-written as
(By rationalization)
Hence, the required sum
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This is a previous-year question from JEE Main 2012, 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.