Value of $i^2$ in complex numbers
6650
Why $\sqrt{-1 \times -1} \neq \sqrt{-1}^2$?
142619
Evaluating the complex integral $\int_{|z|=2}^{}\frac{1}{z^2+1}dz$
70974
How can zero divided by $i$ be $2\pi$?
133852
What is the value of $i^{i^{i^\ldots}}$?
45711
Inequality with complex numbers
18959
Quadratic Formula in Complex Variables
112401
Plot $|z - i| + |z + i| = 16$ on the complex plane
140968
Proof for Property of Complex Numbers
51314
How to prove that a complex number is not a root of unity?
113993
Complex power of a complex number
83359
Complex number identity by trigonometry
27062
Given complex $|z_{1}| = 2\;\;,|z_{2}| = 3\;\;, |z_{3}| = 4\;\;$ : when and what is $\max$ of $|z_{1}-z_{2}|^2+|z_{2}-z_{3}|^2+|z_{3}-z_{1}|^2$
111976
Prove that a product of two complex numbers has zero imaginary part
92595
A problem regarding the in-equality of complex numbers .
34709
Complex numbers - roots of unity
115057
Relationship between complex number and vectors
92647
How do I compute the principal values of these complex numbers