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If f (x)= {{:(x ^(3), , x ∈ Q),(-x ^(3),...

If `f (x)= {{:(x ^(3), , x ∈ Q),(-x ^(3),,x ∉ Q):},` then :

A

f (x) is periodic

B

f (x) is many-one

C

f (x) is one-one

D

range of the function is R

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The correct Answer is:
C, D
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