A person has 4 books of Political Science, 3 books of Environmental Science and 2 books of
Artificial Intelligence. In how many ways can he arrange the books so that all the books of
same subject are togethe
Answers
Answered by
0
Answer:
HE CAN ARRANGE THEM IN THE FORM
4 3 2
Step-by-step explanation:
4 OF POLITI... AND
3 OF ENVOIR.......
AND 2 OF ARTIFIC.....
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Answered by
0
Step-by-step explanation:
consider 4 book of political science,ps as 1 bundle,
3 books of environmental science, es as 1 bundle,
2 books of artificial intelligence,ai as 1 bundle
3 bundles can arranged in 3! ways = 6 ways
case 1 : each bundle has different books
if ps books are 4 different books on ps,
similarly if es bundle has 3 different books on es
and ai bundle have 2 different books on ai
then 6×4!×3!×2! ways they can be arranged = 1728
case 2: each bundle has same books
if the ps bundle has 4 same books, es has 3 same books, ai has 2 same books then no. of ways = 6
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