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If f(x)=1/3(f(x+1)+5/(f(x+2))) and f(x)g...

If `f(x)=1/3(f(x+1)+5/(f(x+2)))` and `f(x)gt0,AA x epsilonR,` then `lim_(xto oo)f(x)` is

A

`0`

B

`sqrt(2/5)`

C

`sqrt(5/2)`

D

`oo`

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The correct Answer is:
C
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