List questions from complex-numbers

Published on 12 Apr 2026 - 3:13

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Find all complex solutions to the equation

Published on 12 Apr 2026 - 23:40

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How to separate out real and imaginary terms

Published on 10 Apr 2026 - 13:42

66

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$z=(-1+i)^{11}+(-1-i)^{15}=?$

Published on 14 Apr 2026 - 23:14

838

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Using Newton's method to solve a non-linear system of equations over complex numbers

Published on 17 Apr 2026 - 8:29

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Find the principle value and all other values of $i^{2/\pi}$

Published on 13 Apr 2026 - 3:20

81

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Inequality in complex numbers

Published on 10 Apr 2026 - 6:34

77

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complex equations question

Published on 09 Apr 2026 - 22:59

105

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How the total order property of $\mathbb{R}$ is related to not being algebraicaly closed?

Published on 13 Apr 2026 - 1:00

197

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Finding all roots of $z^4-4z^3+9z^2-4z+8$

Published on 15 Apr 2026 - 9:21

415

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If Re(z) >0, then the value of |1+ z+ z^2...z^n| cannot be less than?

Published on 15 Apr 2026 - 11:20

23

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Complex number Q1

Published on 07 Apr 2026 - 21:54

140

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Proof of trigonometric identity $\frac{\cos x+i\sin x+1}{\cos x+i\sin x-1}= -\frac{i}{\tan \frac{x}{2}}$

Published on 16 Apr 2026 - 16:10

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Writing $e^{i\theta}(e^{in\theta}-1)/(e^{i\theta}-1)$ in $(a+i b)$ form

Published on 15 Apr 2026 - 5:07

8.3k

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Proving by calculation that $\arg(-2) = \pi$

Published on 15 Apr 2026 - 6:44

List Question

An "elementary" approach to complex exponents?

Find all complex solutions to the equation

How to separate out real and imaginary terms

$z=(-1+i)^{11}+(-1-i)^{15}=?$

Using Newton's method to solve a non-linear system of equations over complex numbers

Find the principle value and all other values of $i^{2/\pi}$

Inequality in complex numbers

complex equations question

How the total order property of $\mathbb{R}$ is related to not being algebraicaly closed?

Finding all roots of $z^4-4z^3+9z^2-4z+8$

If Re(z) >0, then the value of |1+ z+ z^2...z^n| cannot be less than?

Complex number Q1

Proof of trigonometric identity $\frac{\cos x+i\sin x+1}{\cos x+i\sin x-1}= -\frac{i}{\tan \frac{x}{2}}$

Writing $e^{i\theta}(e^{in\theta}-1)/(e^{i\theta}-1)$ in $(a+i b)$ form

Proving by calculation that $\arg(-2) = \pi$

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