JEE Main 2021 — Sequences And Series Question with Solution
From: JEE Main 2021 (Online) 20th July Evening Shift
Question
Let be a sequence such that a1 = 1, a2 = 1 and for all n 1. Then the value of is equal to ______________.
Enter your answer
Show full solutionCorrect answer: 7
Correct answer
7
Step-by-step explanation
, let
Divide by 8n we get
Divide by 8n we get
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This is a previous-year question from JEE Main 2021, 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.