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Questions Tagged with "complex numbers"

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Are all complex functions onto?

4 answer

Mathematics Asked 2 years ago by Truth-seek

Are $mathbb{C}-mathbb{R}$ imaginary numbers?

2 answer

Mathematics Asked 2 years ago by Unreal Engine 5 Coming Soon

$arg(r_+) = 0$ and $arg(r_-) = pi$

1 answer

Mathematics Asked 2 years ago

finding the degree of a zero of a function with given conditions

2 answer

Mathematics Asked 2 years ago by pencil321

Ellipse on complex plane

2 answer

Mathematics Asked 2 years ago by Alexey Sokolik

Solving the system $cos x+cos y+cos z=frac32sqrt3$, $sin x+sin y+sin z=frac32$

2 answer

Mathematics Asked 2 years ago by mbalasundar

Suppose $z$ and $omega$ are two complex numbers such that $|z|≤1$ and $|omega|≤1$ and $|z+iomega|=|z-iomega|=2$. Find $|z|$ and $|omega|$.

3 answer

Mathematics Asked 2 years ago

What is the value of $1 -omega^h + omega^{2h} -...+(-1)^{n-1} omega^{(n-1)h}$ when $omega$ is a root of unity?

0 answer

Mathematics Asked 2 years ago

If $|{z}|=maxbig{|{z}+2|,|{z}-2|big}$, then which is true: $|zpm bar{z}|=2$ or $|zpm bar{z}|=1/2$?

2 answer

Mathematics Asked 2 years ago

Show that the residue is $c_{-1}=-frac{q''(z_0)}{(q'(z_0))^3}$.

1 answer

Mathematics Asked 2 years ago

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