A man has 10 friends. In how many ways he can invite one or more of them to a party [AMU 2002]

A man has 10 friends. In how many ways he can invite one or more of th

1.	A man has 10 friends. In how many ways he can invite one or more of them to a party [AMU 2002]
A.	\[10\,!\]
B.	\[{{2}^{10}}\]
C.	\[10\,!\,-\,1\]
D.	\[{{2}^{10}}-1\]
Answer» E.

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A man has 10 friends. In how many ways he can invite one or more of them to a party [AMU 2002]

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