How can a ratio containing only real numbers have a complex value?
64941
Why is $1 - \frac{1}{1 - \frac{1}{1 - \ldots}}$ not real?
39243
Plotting complex numbers
140300
Does the interval $[0,1]$ contains more real numbers than $(0,2)$?
70974
How can zero divided by $i$ be $2\pi$?
21665
why division by zero is not possible
14668
complex number question involving modulus
112401
Plot $|z - i| + |z + i| = 16$ on the complex plane
17620
Why the principal value of complex number argument is taken within $(-\pi,\pi]?$
34709
Complex numbers - roots of unity
51314
How to prove that a complex number is not a root of unity?
93888
What do we lose passing from the reals to the complex numbers?
137718
Prove that the complex expression is real
26764
Proving that $\mathbb R^3$ cannot be made into a real division algebra (and that extending complex multiplication would not work)
132525
Real Numbers Raised to Imaginary Powers?
112348
Defining the Complex numbers
156946
The set of real numbers is a subset of the set of complex numbers?
24221
Complex numbers - minimum value proof