If b is the mean proportion to a and c with a common ration \(\sqrt[3] – McqOptions

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1.	If b is the mean proportion to a and c with a common ration \(\sqrt[3]{\dfrac{2}{3}}\)then (a - b)3 ∶ (b - c)3 is∶
A.	1 ∶ 2
B.	2 ∶ 3
C.	1 ∶ 1
D.	3 ∶ 2
Answer» E.

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