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If f(x)=(a-n^(n))^(1//n) where a gt 0 an...

If `f(x)=(a-n^(n))^(1//n)` where `a gt 0` and `n in N` , then `f[f(x)]` is equal to :

A

x

B

a

C

`x^(n)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
a
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