MHB Find Complex Root of z^5=0 | Math Solutions

Amer
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how to find the complex root of

z^5 = 0 there is one real root 0
 
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This equation has a single complex root, i.e., 0.
 
Evgeny.Makarov said:
This equation has a single complex root, i.e., 0.

with a multiplicity of 5.
 
thanks
 

Thread 'About the definition of topological manifold using closed sets'

We all know the definition of n-dimensional topological manifold uses open sets and homeomorphisms onto the image as open set in ##\mathbb R^n##. It should be possible to reformulate the definition of n-dimensional topological manifold using closed sets on the manifold's topology and on ##\mathbb R^n## ? I'm positive for this. Perhaps the definition of smooth manifold would be problematic, though.
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