What does the equation xyz=0 represent in the region of R^3?

glasshut137
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Homework Statement



Describe in words the region of R^3 represented by the equation or inequality.

Homework Equations



xyz=0

The Attempt at a Solution



I'm not really sure how to look at the equation. I would think its just the point (0,0,0). Can someone explain if this is wrong.
 
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Um, (1,0,0) also satisfies the equation. Describe the other points that do.
 
Surely you know "if AB= 0 then either A= 0 or B= 0 or both".
 
Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Hi! I am struggling with the exercise I mentioned under "Homework statement". The exercise is about a specific "greedy vertex coloring algorithm". One definition (which matches what my book uses) can be found here: https://people.cs.uchicago.edu/~laci/HANDOUTS/greedycoloring.pdf Here is also a screenshot of the relevant parts of the linked PDF, i.e. the def. of the algorithm: Sadly I don't have much to show as far as a solution attempt goes, as I am stuck on how to proceed. I thought...
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