1. We have moved from vBulletin to XenForo and you are viewing the site in the middle of the move. Though the functional aspect of everything is working fine, we are still working on other changes including the new design on Xenforo.
    Dismiss Notice

sum of following series

Discussion in 'C' started by saahil, Aug 4, 2008.

  1. saahil

    saahil New Member

    enter x &n and display sum of following series
    x1 +x2 +x3+- - - - - - - -+xn(1,2,3,-----,n are powers of x)
     
  2. asadullah.ansari

    asadullah.ansari TechCake

    Use this formula...

    sum = a |(r^(n-1) -1 )| /|(r-1)|

    where a = first term
    r = second term/ first term ( Tn/T(n-1) )
     

Share This Page