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in how many ways of the permutations of 10 different things taken 4 at a time will one particular thing always occur​
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4 votes
in how many ways of the permutations of 10 different things taken 4 at a time will one particular thing always occur​

User Victor Trusov
by
5.0k points

1 Answer

4 votes

Answer:

do as direct

which one of the following is square of 4

2

8

16

64

User Discort
by
6.4k points
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