If \[n\in N\], \[p(n)={{2}^{n-1}}\] then p(n)\[\le \]

1.	If \[n\in N\], \[p(n)={{2}^{n-1}}\] then p(n)\[\le \]
A.	n
B.	\[{{n}^{2}}\]
C.	(n-1)!
D.	n !
Answer» E.

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If \[n\in N\], \[p(n)={{2}^{n-1}}\] then p(n)\[\le \]

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