The sum of cubes of the first n natural numbers is given by ________

1.	The sum of cubes of the first n natural numbers is given by _________
A.	{n(n+1)/2}2
B.	{n(n-1)/2}2
C.	{n2(n+1)/2}2
D.	None of the mentioned
Answer» B. {n(n-1)/2}2

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