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If functions f:{1,2,…,n} rarr {1995,1996...

If functions `f:{1,2,…,n} rarr {1995,1996}` satisfying f(1)+f(2)+…+f(1996)=odd integer are formed, the number of such functions can be

A

`2^(n)`

B

`2^(n//2)`

C

`n^(2)`

D

`2^(n-1)`

Text Solution

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The correct Answer is:
D
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