JEE Main 2023 — Sequences And Series Question with Solution
From: JEE Main 2023 (Online) 29th January Evening Shift
Question
Let and . If and , then is equal to ____________.
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Show full solutionCorrect answer: 461
Correct answer
461
Step-by-step explanation
and
| 1 | 1 | 0 |
| 2 | 2 | 0 |
| 3 | 4 | 1 |
| 4 | 8 | 4 |
| 5 | 15 | 10 |
| 6 | 26 | 20 |
| 7 | 42 | 35 |
| 8 | 64 | 56 |
| 9 | 93 | 84 |
| 10 | 130 | 120 |
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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.