In how many ways can 3 books be arrange on a shelf if they are not selected from 6 books
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Answered by
2
Answer:
One unit of 3 books can be arranged themselves in 3! Ways. =6(7!/4!)= 6×5×6×7=1260 ways.
Answered by
0
Answer:
3 books can be arranged as follows
=3!×6!
=3×2×1 ×6×5×4×3×2×1
=6 ×720
=4320
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