In how many ways can 7 different books be arranged on a shelf? in how many ways three particular books are always together
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plz ans this qiuck
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7!*3!=5040*6=30240
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In 2 ways we can arrange 7 different books on a shelf because there are specific ways to keep books on a shelf
1- vertical
2- horizontal
the 3 particular books if not in shelf then these can be kept in 4 ways,
1-vertical
2-horizontal
3-lying upside down
4-kept side by side
1- vertical
2- horizontal
the 3 particular books if not in shelf then these can be kept in 4 ways,
1-vertical
2-horizontal
3-lying upside down
4-kept side by side
it's not the right way for parmudation method
then what is the right method
7!*3!=5040*6=30240
I think this helps you
I think this helps you
yes this is right one
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