JEE Main 2026MathematicsSequences and SeriesMediumMCQ

JEE Main 2026Sequences and Series Question with Solution

JEE Main 2026 (23 January Shift 2)

Question

Let . If and , then is equal to

Choose an option

Show full solutionCorrect option: D
Correct answer
D5

Step-by-step explanation

for .
... (i)
, .
... (ii)
Substituting (ii) in (i): , .
.

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Sequences and Series chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2026, 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.