If log a, log b, and log c are in A.P. and also log a– log 2b, log 2b – log 3c, log 3c – log a are in A.P., then
A. a, b, c, are in H.P
B. a, 2b, 3c are in A.P.
C. a, b, c are the sides of a triangle
D. None of these
Answer:A
If log a, log b, and log c are in A.P. and also log a– log 2b, log 2b – log 3c, log 3c – log a are in A.P., then
A. a, b, c, are in H.P B. a, 2b, 3c are in A.P. C. a, b, c are the sides of a triangle D. None of these