Question

If a₁, a₂, a₃,,,, are in G.P and x₁, x₂, x₃.... are positive real numbers such that a₁¹/ˣ¹ ¹²³=a₂¹/ˣ² =a₃¹/ˣ³=...... then x₁, x₂, x₃.... are in

A. A.P.
B. G.P.
C. H.P.
D. None of these