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The given relation n^(n - 1) + n^(n - 1)...

The given relation `n^(n - 1) + n^(n - 1) = (n^2 +1)^(2) - (n^2 + 1)` is valid for every `n in N` if n equals to:

A

3

B

5

C

1

D

both (a) and (c)

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Verified by Experts

The correct Answer is:
D
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