A man has 4 friends. Number of ways he can invite one or more of them to dinner is
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0
Step-by-step explanation:
number of miss the full friend invite once a second third and fourth
Answered by
1
Step-by-step explanation:
single friend=4
2 friend=6
3friend=4
4friend=1
so,15 ways he can invite 1 or more friends
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