Question Number 49142 by AdqhK ÐQeQqQ last updated on 03/Dec/18
$${ln}\left(\infty\right)=?? \\ $$$${ln}\left(\mathrm{0}\right)=?? \\ $$$${ln}\left(−\mathrm{1}\right)=?? \\ $$
Answered by andyistic last updated on 03/Dec/18
$$\mathrm{ln}\:\infty\rightarrow\infty \\ $$$$\mathrm{ln}\:\mathrm{0}\rightarrow−\infty \\ $$$$\mathrm{ln}\:−\mathrm{1}=\pi{i} \\ $$