\[
\lim _{x \rightarrow a} \frac{\log \{1+(x-a)\}}{(x-a)}=
\]
(a) \...
\[
\lim _{x \rightarrow a} \frac{\log \{1+(x-a)\}}{(x-a)}=
\]
(a) \( -1 \)
(b) 2
(c) 1
(d) \( -2 \)
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