If f(x) is continuous at x = 0, where {:...

If f(x) is continuous at x = 0, where `{:(f(x),=(8^(x)-2^(x))/(k^(x)-1),",","for" x != 0),(,=k, ",","for" x = 0):}`, then k is equal to

A

2

B

-2

C

4

D

-4

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The correct Answer is:

A

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