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If sum of two positive numbers is k, the...

If sum of two positive numbers is k, then sum of their cubes is minimum when they are

A

`(k)/(2), (k)/(2)`

B

`(k)/(3), (2k)/(3)`

C

`(k)/(3), (3k)/(4)`

D

`(k)/(8), (7k)/(8)`

Text Solution

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The correct Answer is:
A
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