0 votes 0 votes For a complex number $z,\displaystyle{} \lim_{z \rightarrow i} \frac{z^{2}+1}{z^{3}+2z-i (z^{2}+2)}$ is $-2i$ $-i$ $i$ $2i$ Calculus gate2017-ee-1 calculus limits complex-number + – Arjun asked Feb 26, 2017 • recategorized Mar 9, 2021 by Lakshman Bhaiya Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.