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A directed graph

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Problem 6.
(a) Draw a graph with numbered and directed edges (and numbered vertices) whose
incidence matrix is
A =[ -1 1 0 0
-1 0 1 0
0 1 0 -1
0 0 -1 1]

(b) Is this graph a tree?
(c) Show that removing the last edge produces a spanning tree.
(d) The remaining rows are a basis for ____?

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Solution Summary

The expert draws a graph with numbered and directed edges.

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