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If f : C rarrC, Where C is the set of al...

If `f : C rarrC`, Where C is the set of all complex numbers, is defined by `f(x)=x^4, AA x in C`, then`f^-1(256) =`

A

4

B

(4, -4)

C

(4, -4, 4i, -4i)

D

`phi`

Text Solution

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The correct Answer is:
C
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