A First Course in Complex Analysis · Problem 2.5.6

Differentiation — Beck, Marchesi, Pixton & Sabalka

Mathematics — Complex Analysis · limits-complex-functions

Problem

Compute the following limits or explain why they don't exist. ((a)) lim⁡z→1+iz2−2iz−1−i\displaystyle\lim_{z \to 1+i} \frac{z^2 - 2i}{z - 1 - i} ((b)) lim⁡z→0Re⁡(z)z\displaystyle\lim_{z \to 0} \frac{\operatorname{Re}(z)}{z} ((c)) lim⁡z→0z2∣z∣2\displaystyle\lim_{z \to 0} \frac{z^2}{|z|^2} ((d)) lim⁡z→iz2+1z4−1\displaystyle\lim_{z \to i} \frac{z^2 + 1}{z^4 - 1}

Related theory

Browse the problem library