SOLUTION:
ANSWER TO 5TH QUESTION:
DEFINITIONS:
WALK:
No edge appears more than once in a walk, a vertex however may appear more than once.
CLOSE WALK:
when a walk begins and ends at the same vertex is called closed walk.
PATH:
A open walk in which no vertex appears more than once is called path.
SS
SOLUTION TO 4TH QUESTION:
NOTE:
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