Consider the numerical pyramid below, formed by simply putting down the series of odd numbers into a pyramid.

           1
         3   5
       7   9   11
    13  15  17   19
      . . .

Find a formula for the sum of the numbers in the nth row, and prove it.

The answer as per me in the cube of the row number thats n, thus n³ as in 1 for 1³ , 8 for 2³ and so on... should be the answer

Posted by Abhishek on 2003-10-19 09:30:00