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Let x be the arithmetic mean and y ,z be...

Let `x` be the arithmetic mean and `y ,z` be tow geometric means between any two positive numbers. Then, prove that `(y^3+z^3)/(x y z)=2.`

A

2

B

3

C

`(1)/(2)`

D

`(3)/(2)`

Text Solution

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The correct Answer is:
A
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