List questions from complex-numbers

Published on 10 Apr 2026 - 21:28

228

Views

calculate for any natural number n $\cos(2\pi/(2n+1))+\cos(4\pi/(2n+1))+\cdots+\cos(2n\pi/(2n+1))$

Published on 15 Apr 2026 - 21:09

69

Views

Laurent Series Expansion of $\dfrac{z^2}{z^2-1}$ about $z_0=1$

Published on 15 Apr 2026 - 7:56

4.3k

Views

How to define the complex square root $ \sqrt{z} $?

Published on 11 Apr 2026 - 3:37

36.1k

Views

How is $\ln(-1) = i\pi$?

Published on 12 Apr 2026 - 2:24

108

Views

Laurent Series Expansion of $e^{z+\frac{1}{z}}$ about $z_0=0$

Published on 13 Apr 2026 - 15:14

310

Views

Solve equation with complex numbers using a helper equation

Published on 11 Apr 2026 - 22:02

7.1k

Views

How do you find the imaginary roots of a fourth degree polynomial that cannot be simplified?

Published on 08 Apr 2026 - 23:13

705

Views

Random Sampling of vectors on the Complex Unit Sphere

Published on 11 Apr 2026 - 9:23

144

Views

Find all the roots of this complex equation

Published on 15 Apr 2026 - 11:17

271

Views

Show that for $z $ a complex number, there exists a complex number $\alpha $, wiht $|\alpha |=1$ such that $\alpha z = |z |$

Published on 16 Apr 2026 - 11:30

315

Views

Complex numbers, polynomials

Published on 11 Apr 2026 - 2:10

982

Views

Finding roots in marginally stable system modeled by complex number

Published on 09 Apr 2026 - 11:25

571

Views

Solving equation with complex numbers

Published on 08 Apr 2026 - 17:39

17.1k

Views

Complex conjugate of polar form of $z \in \mathbb C$

Published on 16 Apr 2026 - 3:47

List Question

Why does $1^{-i}$ equal 1?

calculate for any natural number n $\cos(2\pi/(2n+1))+\cos(4\pi/(2n+1))+\cdots+\cos(2n\pi/(2n+1))$

Laurent Series Expansion of $\dfrac{z^2}{z^2-1}$ about $z_0=1$

How to define the complex square root $ \sqrt{z} $?

How is $\ln(-1) = i\pi$?

Laurent Series Expansion of $e^{z+\frac{1}{z}}$ about $z_0=0$

Solve equation with complex numbers using a helper equation

How do you find the imaginary roots of a fourth degree polynomial that cannot be simplified?

Random Sampling of vectors on the Complex Unit Sphere

Find all the roots of this complex equation

Show that for $z $ a complex number, there exists a complex number $\alpha $, wiht $|\alpha |=1$ such that $\alpha z = |z |$

Complex numbers, polynomials

Finding roots in marginally stable system modeled by complex number

Solving equation with complex numbers

Complex conjugate of polar form of $z \in \mathbb C$

Trending Questions

Popular # Hahtags

Popular Questions