In a class of nine students, each students sends valentine cards to three others. Determine whether
it is possible that each student receives cards from the same three students to whom he or she sent
cards
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Answer:
yes every thing is possible if how dare, courage
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Answer:
Use your own words and paste it in discrete mathematics assignment, (: , and dont paste it as it is because i have also written the same thing ,lol ,and if you want to thank me send other answers here.
Explanation:
Edge between any two people only if they give each other cards So we will have sum of degrees as 9*3 to satisfy the given condition But sum of degrees cannot be odd Hence not possible
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