List questions from complex-numbers

Published on 15 Apr 2026 - 13:55

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Derivative of complex conjugate

Published on 10 Apr 2026 - 18:56

731

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Inverse cosine of a complex number, take $\cos z=\sqrt{2}$ for $z$

Published on 15 Apr 2026 - 13:40

111

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Show that $D_n$ is a subgroup of Perm($\mathbb{C}$).

Published on 15 Apr 2026 - 3:53

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intersection of Loci in Argand plane

Published on 16 Apr 2026 - 7:40

37.2k

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Solve complex equation $z^3 = i$

Published on 11 Apr 2026 - 0:33

358

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Solving a complex equation of the form $f(z)=0$

Published on 16 Apr 2026 - 2:25

433

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Finding the square roots of a complex number.

Published on 12 Apr 2026 - 13:32

121

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Real part of a complex number divided: $\Re\frac{z+1}{z-1}=0$

Published on 14 Apr 2026 - 19:58

172

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Third degree polynomial with unknown coefficients $q^3-3aq^2+b^2q+c = 0$

Published on 16 Apr 2026 - 8:35

26

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complex number conjugates (simple)

Published on 13 Apr 2026 - 20:19

596

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Zeroes of the floor (greatest integer function)

Published on 12 Apr 2026 - 10:49

282

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How do I find a constant for a polynomial so its roots are reflective around a linear function?

Published on 12 Apr 2026 - 2:21

906

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Negative imaginary exponents

Published on 10 Apr 2026 - 0:52

1.3k

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Why non-real means only the square root of negative?

Published on 17 Apr 2026 - 0:59

List Question

Trying to evaluate $\prod_{k=1}^{n-1}(1-e^{2k\pi i/n})$ for my complex analysis homework

Derivative of complex conjugate

Inverse cosine of a complex number, take $\cos z=\sqrt{2}$ for $z$

Show that $D_n$ is a subgroup of Perm($\mathbb{C}$).

intersection of Loci in Argand plane

Solve complex equation $z^3 = i$

Solving a complex equation of the form $f(z)=0$

Finding the square roots of a complex number.

Real part of a complex number divided: $\Re\frac{z+1}{z-1}=0$

Third degree polynomial with unknown coefficients $q^3-3aq^2+b^2q+c = 0$

complex number conjugates (simple)

Zeroes of the floor (greatest integer function)

How do I find a constant for a polynomial so its roots are reflective around a linear function?

Negative imaginary exponents

Why non-real means only the square root of negative?

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