If ai > 0 for i=1,2,…., n and a1 a2 … a...

If `a_i > 0` for i=1,2,…., n and `a_1 a_2` … `a_(n=1)` , then minimum value of `(1+a_1) (1+a_2)` ….. `(1+a_n)` is :

A

`2^(n//2)`

B

`2^n`

C

`2^(2n)`

D

`1`

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The correct Answer is:

B

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