A) 12
B) 8
C) 18
D) 6
Correct Answer: A
Solution :
Let the three numbers be \[\frac{a}{r},\ a\] and \[ar\], then \[{{a}^{3}}=1728\]\[\Rightarrow \]\[a=12\] Hence the middle term is 12.You need to login to perform this action.
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