The sum of the first three terms of a G.P. is S and their product is 27. Then all such S lie in
(1) $(–\infty,\ –3] \cup [9,\ \infty)$
(2) $(–\infty,\ –9] \cup [3,\ \infty)$
(3) $[–3,\ \infty)$
(4) $(–\infty,\ 9]$
(1) $(–\infty,\ –3] \cup [9,\ \infty)$
(2) $(–\infty,\ –9] \cup [3,\ \infty)$
(3) $[–3,\ \infty)$
(4) $(–\infty,\ 9]$