Question
The function $f(x) = \frac{\log(1 + ax) - \log(1 - bx)}{x}$ is not defined at $x = 0$. The value that should be assigned to $f$ at $x = 0$ so that it is continuous at $x = 0$?
The function $f(x) = \frac{\log(1 + ax) - \log(1 - bx)}{x}$ is not defined at $x = 0$. The value that should be assigned to $f$ at $x = 0$ so that it is continuous at $x = 0$?