If f (n + 1) = 1 2 f( n )+ 9 f( n ) , n ∈ N and f (n) > 0 for all n ∈ N then _ n f (n) is…
Mathematics · JEE Advanced · NTA Exams — Limit, Continuity and Differentiability
If f (n + 1) = \(\frac{1}{2}\left\{f(\mathrm{n})+\frac{9}{f(\mathrm{n})}\right\},\) n ∈ N and f (n) > 0 for all n ∈ N then \(\lim _{n \rightarrow \infty}\) f (n) is equal to
- 3
- – 3
- 1/2
- None of these
Answer
(A) 3
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