List questions from complex-numbers

Published on 25 Dec 2018 - 6:54

3.2k

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What, if anything, is the sum of all complex numbers?

Published on 29 Mar 2026 - 15:16

340

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Why does $z^{1/n}$ have exactly $n$ distinct values for $z \in \mathbb{C}$?

Published on 01 Apr 2026 - 20:08

37

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Finding $f(1)$ of general biquadratic polynomial whose $|f(\iota)|$ is given.

Published on 26 Dec 2018 - 16:17

70

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simplification of complex numbers

Published on 26 Dec 2018 - 18:15

223

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Contour integration complex numbers

Published on 30 Mar 2026 - 6:14

274

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if $|z^2-3|=3|z|$ , then the max value of |z| is:

Published on 27 Dec 2018 - 9:29

56

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Complex random variable proof: $|\mathbb EX| \leq \mathbb E |X|$

Published on 28 Mar 2026 - 8:17

105

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Isn't $\frac{ax+bi}{ax+bi}$ equal to $1$?

Published on 27 Dec 2018 - 13:07

159

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prove that $\;f(z) = g(z)\;$ for all $z\in \mathbb{C}$

Published on 25 Mar 2026 - 15:42

5.5k

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Can a number be non-imaginary and non-real?

Published on 27 Dec 2018 - 15:04

239

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Third order ODE

Published on 27 Dec 2018 - 15:56

5.1k

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Solving an equation involving complex conjugates

Published on 28 Dec 2018 - 0:29

111

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Proving an inequality of modulus of complex numbers

Published on 28 Dec 2018 - 17:23

108

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Prove that $\eta - \omega \notin \mathbb{Q}$ where $\omega$ and $\eta$ are two differents n-th primitive roots $\in \mathbb{C}$

Published on 25 Mar 2026 - 10:36

List Question

least value of floor of $z_{1}+z_{2}$

What, if anything, is the sum of all complex numbers?

Why does $z^{1/n}$ have exactly $n$ distinct values for $z \in \mathbb{C}$?

Finding $f(1)$ of general biquadratic polynomial whose $|f(\iota)|$ is given.

simplification of complex numbers

Contour integration complex numbers

if $|z^2-3|=3|z|$ , then the max value of |z| is:

Complex random variable proof: $|\mathbb EX| \leq \mathbb E |X|$

Isn't $\frac{ax+bi}{ax+bi}$ equal to $1$?

prove that $\;f(z) = g(z)\;$ for all $z\in \mathbb{C}$

Can a number be non-imaginary and non-real?

Third order ODE

Solving an equation involving complex conjugates

Proving an inequality of modulus of complex numbers

Prove that $\eta - \omega \notin \mathbb{Q}$ where $\omega$ and $\eta$ are two differents n-th primitive roots $\in \mathbb{C}$

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