- The function \( y = \ln x \) is the natural logarithm of \( x \), defined for \( x > 0 \).
- The function \( y = \ln (-x) \) is the natural logarithm of the negative of \( x \), defined for \( x < 0 \).
- The function \( y = \ln |x| \) is the natural logarithm
Show more…