# Geometric constraint

Algebra Level pending

Let $$G_n$$ denote the $$n^\text{th}$$ term of geometric progression with $$G_{2016} \ne G_{2017}$$, then which of the following statements can be true?

(A): $$\{ G_3, G_6, G_9 \}$$ follows a geometric progression.
(B): $$\{ G_{10}, G_{25}, G_{40} \}$$ follows a geometric progression.
(C): $$\{ G_{21}, G_{34}, G_{55} \}$$ follows a geometric progression.
(D): $$\{ G_{10}, G_{11}, G_{12} \}$$ follows a geometric progression.

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