If a complete graph has degree 3 for each vertex, then how many diagonals are in the graph? a.) 2 b.) 3 c.) 4 d.) 5   The number of vertices in K₂₅ is  a.) 24 b.) 25  c.) 276 d.) 300

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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If a complete graph has degree 3 for each vertex, then how many diagonals are in the graph?

a.) 2

b.) 3

c.) 4

d.) 5

 

The number of vertices in K₂₅ is 

a.) 24

b.) 25 

c.) 276

d.) 300

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