JEE Main 2023MathematicsSequences And SeriesSummation Of SerieshardNumerical

JEE Main 2023Sequences And Series Question with Solution

From: JEE Main 2023 (Online) 30th January Morning Shift

Question

Let \sum_\limits{n=0}^{\infty} \frac{\mathrm{n}^{3}((2 \mathrm{n}) !)+(2 \mathrm{n}-1)(\mathrm{n} !)}{(\mathrm{n} !)((2 \mathrm{n}) !)}=\mathrm{ae}+\frac{\mathrm{b}}{\mathrm{e}}+\mathrm{c}, where and e=\sum_\limits{\mathrm{n}=0}^{\infty} \frac{1}{\mathrm{n} !} Then is equal to ____________.

Enter your answer

Show full solutionCorrect answer: 26
Correct answer
26

Step-by-step explanation

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 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.