SOLUTION: if first term of n A.P.'s is 1 and their respective common differences are 1,2,3,..........,n,then prove that sum of their n terms will be n(n^+1)/2
Algebra ->
Sequences-and-series
-> SOLUTION: if first term of n A.P.'s is 1 and their respective common differences are 1,2,3,..........,n,then prove that sum of their n terms will be n(n^+1)/2
Log On
Question 1012720: if first term of n A.P.'s is 1 and their respective common differences are 1,2,3,..........,n,then prove that sum of their n terms will be n(n^+1)/2 Answer by fractalier(6550) (Show Source):
