# A.P

Submitted by alpha on Sun, 08/03/2008 - 06:51.

Let S[n] denote the sum of n terms of an A.P whose first term is a .If the common difference d is given by

d=S[n]-kS[n-1]+S[n-2],Then k=?

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## A.P
Submitted by alpha on Sun, 08/03/2008 - 06:51.
Let S[n] denote the sum of n terms of an A.P whose first term is a .If the common difference d is given by d=S[n]-kS[n-1]+S[n-2],Then k=? |