∵a=log2(3) , b=log2(6), c=log2(12)
b^2=log2(2x3)=[1+log2(3)]^2, ac=log2(3)·log2(12)=log2(3)·[2+log2(3)]
∴b^2≠ac
∴a.b.c不是等比数列.
∵a=log2(3) , b=log2(6), c=log2(12)
b^2=log2(2x3)=[1+log2(3)]^2, ac=log2(3)·log2(12)=log2(3)·[2+log2(3)]
∴b^2≠ac
∴a.b.c不是等比数列.