Question 979030
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It depends.


Some people define *[tex \Large \log] with an unspecified base as the natural log (that is, base *[tex \Large e]), in which case your assertion is true by the definition of the logarithm function.


Some people define *[tex \Large \log] with an unspecified base as the base 10 log, in which case your assertion is false by the definition of the logarithm function.


Since I have no idea  what you mean by *[tex \Large \log(x\ -\ 1)], I can't answer your question.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \