The sum of the first three terms o...

The sum of the first three terms of a G.P is S and their product is 27 . Then all such S lie in :

A

[–3, ∞)

B

(–∞, 9]

C

(–∞, –9] ∪ [3, ∞)

D

(–∞, –3] ∪ [9, ∞)

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