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The cubes of the natural numbers are gro...

The cubes of the natural numbers are grouped as `1^3 , (2^3, 3^3) , (4^3 , 5^3 , 6^3) `, … then the sum of the numbers in the nth group is :

A

`n^3/12(n^2+2)(n^2+4)`

B

`1/8 n^3(n^2+1)(n^2+3)`

C

`n^3/6(n^2+1)(n^2+2)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
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