Sum of first n positive integers
Given n, find the sum of first n positive integers
Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these terms is 55
alrededor de 2 años hace
Resuelto
Sum of series
a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
a(1)+a(2)+...+a(n)