Let R=(5sqrt(5)+11)^(2n+1) and f=R-[R], ...

Let `R=(5sqrt(5)+11)^(2n+1) and f=R-[R],` where [ ] denotes the greater integer function, then Rf is equal to :

A

`4^(2n+1)`

B

`4^(2n)`

C

`4^(2n-1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:

A

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