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If f(n+1)=1/2{f(n)+9/(f(n))},n in N , ...

If `f(n+1)=1/2{f(n)+9/(f(n))},n in N ,` and `f(n)>0fora l ln in N ,` then find `("lim")_(nvecoo)f(n)dot`

A

3

B

`-3`

C

`1//2`

D

none of these

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The correct Answer is:
A
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FIITJEE-TIPS-OBJECTIVE
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