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If a (1), i=1,2,3,4 be four real members...

If `a _(1), i=1,2,3,4` be four real members of the same sign, then the minimum value of `sum (a_(i))/(a _(j)), i, j in {1,2,3,4}, i ne j` is:

A

6

B

8

C

12

D

24

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The correct Answer is:
C
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