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The value of f at x =0 so that funcation...

The value of f at x =0 so that funcation ` f(x) = (2^(x) -2^(-x))/x , x ne 0` is continuous at x =0 is

A

0

B

`e^(4)`

C

`log 4`

D

log 2

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The correct Answer is:
C
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