List questions from complex-numbers

Published on 26 Mar 2026 - 17:52

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Equation of first degree with complex numbers

Published on 09 Apr 2026 - 15:20

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Which real number pairs (x, y) fulfill equation $(x+iy)^3=1$

Published on 17 Sep 2019 - 6:12

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How to find the amplitude of a complex number $z=-1-\sqrt{3}i$

Published on 11 Apr 2026 - 21:14

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Find the amplitude of complex number $z= 2\sqrt{2}\,i - 2\sqrt{3}$

Published on 18 Sep 2019 - 6:05

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Problems on complex questions

Published on 08 Apr 2026 - 17:27

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Solving a cube root with complex numbers

Published on 08 Apr 2026 - 16:33

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Find $z$ - complex numbers

Published on 11 Apr 2026 - 3:06

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Quadratic Functions Can $b = i$

Published on 30 Mar 2026 - 10:07

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How do I find all complex numbers that are solutions of $z^3 +8i=0$?

Published on 18 Sep 2019 - 22:18

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How to determine if $\sum_{n = 1}^{\infty}e^{(\pini)/2}*\frac{1}{n^2}$ is convergent

Published on 11 Apr 2026 - 23:48

223

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Show that $|z+z^2|=2 \cos \frac{\theta}{2}$

Published on 19 Sep 2019 - 14:45

57

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Inequality with complex variables

Published on 11 Apr 2026 - 11:54

219

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Summation of $\cos(2n-1)\theta$ - Extended

Published on 11 Apr 2026 - 1:36

54

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When do complex number vectors add up to $0$?

Published on 11 Apr 2026 - 10:49

List Question

Find length of line segment using complex numbers/roots of unity approach

Equation of first degree with complex numbers

Which real number pairs (x, y) fulfill equation $(x+iy)^3=1$

How to find the amplitude of a complex number $z=-1-\sqrt{3}i$

Find the amplitude of complex number $z= 2\sqrt{2}\,i - 2\sqrt{3}$

Problems on complex questions

Solving a cube root with complex numbers

Find $z$ - complex numbers

Quadratic Functions Can $b = i$

How do I find all complex numbers that are solutions of $z^3 +8i=0$?

How to determine if $\sum_{n = 1}^{\infty}e^{(\pini)/2}*\frac{1}{n^2}$ is convergent

Show that $|z+z^2|=2 \cos \frac{\theta}{2}$

Inequality with complex variables

Summation of $\cos(2n-1)\theta$ - Extended

When do complex number vectors add up to $0$?

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