d. Add up all the indegrees, and add up all the outdegrees. What do you notice? Can you explain why every directed graph must have this property?
d. Add up all the indegrees, and add up all the outdegrees. What do you notice? Can you explain why every directed graph must have this property?
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter1: Line And Angle Relationships
Section1.5: The Format Proof Of A Theorem
Problem 12E: Based upon the hypothesis of a theorem, do the drawings of different students have to be identical...
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Discrete math. Please answer part d of this problem and please do not reject.
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