Monday, October 28, 2013
\(\lim_{z \rightarrow i} \frac{z^2 + 1}{z - i} \)
What is \(\displaystyle \lim_{z \rightarrow i} \frac{z^2 + 1}{z - i} \) ?
I think the answer is neat and a little surprising.
You can find more info at Analysis of a Complex Kind.