Question

A function f(x) = [{2-x^{n}]^{1/n} , where x>0 & n∈N , then range of the function f(f(x)) + f(f(1/x)) is ______.
a) [2,∞)
b) [-1,1]
c) (-1,1)
d) (2,∞)

Answer 1

Answer:

B

Step-by-step explanation:

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