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f(1)=1, n ge 1 f(n+1)=2f(n)+1 then f(n)=...

`f(1)=1, n ge 1` `f(n+1)=2f(n)+1` then `f(n)=`

A

`2^(n)+1`

B

`2^(n)`

C

`2^(n)-1`

D

`2^(n-1)-1`

Text Solution

Verified by Experts

The correct Answer is:
C
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