If `a ,b ,c,d` are in G.P. prove that `(a^n+b^n),(b^n+c^n),(c^n+d^n)` are in G.P.

If a, b, c, d are in G.P., prove that (a^n+b^n),(b^n+c^n),(c^n+a^n) are in G.P.

If a,b,c,d are in G.P.prove that (a^(n)+b^(n)),(b^(n)+c^(n)),(c^(n)+a^(n)) are in G.P.

If a ,b ,c are in G.P., then prove that loga^n ,logb^n ,logc^n are in A.P.

If a,b,c are in G.P.,then prove that log a^(n),log b^(n),log c^(n)quad are in A.P.

If a, ,b c, are in G.P., then log_(a) n, log_(b) n, log_(c) n are in

If a , b ,a n dc are in G.P., then a+b ,2b ,a n db+c are in a. A.P b. G.P. c. H.P. d. none of these

If l n(a+c),l n(a-c)a n dl n(a-2b+c) are in A.P., then (a) a ,b ,c are in A.P. (b) a^2,b^2, c^2, are in A.P. (c) a ,b ,c are in G.P. d. (d) a ,b ,c are in H.P.