The value of n for which ( a ^(n+1) +b^(...

The value of n for which `( a ^(n+1) +b^(n+1))/( a^(n) + b^(n))` is the A.M. between a and b is `:`

A

0

B

`-(1)/(2)`

C

1

D

`-1`

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The correct Answer is:

C

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