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starreee
10.12.2019 •
Mathematics
Alibrarian has 4 identical copies of hamlet, 3 identical copies of macbeth, 2 identical copies of romeo and juliet, and one copy of midsummer’s night dream. in how many distinct arrangements can these ten books be put in order on a shelf?
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Ответ:
The number of distinct arrangements is 12600.
Step-by-step explanation:
This is a permutation type of question and therefore the number of distinguishable permutations is:
n!/(n₁! n₂! n₃! ... nₓ!)
where
n₁, n₂, n₃ ... is the number of arrangements for each objectn is the number of objectsnₓ is the number of arrangements for the last objectIn this case
n₁ is the identical copies of Hamletn₂ is the identical copies of Macbethn₃ is the identical copies of Romeo and Julietnₓ = n₄ is the one copy of Midsummer's Night DreamTherefore,
Number of distinct arrangements = 10!/(4! × 3! × 2! × 1!)
= 12600 ways
Thus, the number of distinct arrangements is 12600.
Ответ:
I'm sorry, I'd love to answer your question, but there is no graph. If you still want an answer, you need to take a picture and send it to the question. Then I can answer it. If you can't, you can just tell me two of the points and I will find the slope. Thanks :)