a,b,c are in GP then loga,logb,logc,are in
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Step-by-step explanation:
if a,b,c are in GP so b^{2} =ac
b/a=c/b.....(i)
now
log a - log b= log a/b;
and according to equ(i)
log b/a=log c/b
means
log b - log a =log c - log b
2 log b =log a + log c
hence they are in AP
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