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If lim(x to 0) (ln (5+x)-ln (5-x))/(x)=k...

If `lim_(x to 0) (ln (5+x)-ln (5-x))/(x)=k` then the value of is

A

0

B

`-(1)/(5)`

C

`(2)/(5)`

D

`-(2)/(5)`

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