The series of natural numbers is written as follows: {:(,,1,,),(,2,3, – InterviewSolution

InterviewSolution

1.	The series of natural numbers is written as follows: {:(,,1,,),(,2,3,4,),(5,6,7,8,9),(...,,...,,...),(...,,...,,...):} Find the sum of the numbers in the nth row:
Answer» `n^3 +1` `(2n)^2 -1` `n^3 +(n-1)^3` none of these Answer :C

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