If a, b, c are in H.P. and a, b, c ≠ 9/4, then 4a/(3 - 4a/3), 4b/(3 - 4b/3), 4c/(3 - 4c/3)
(A) A.P.
(B) G.P.
(C) H.P.
(D) none of these
Correct option (C) H.P.
Explanation: