formula for finding nth term of an A.P if Sn is given

Asked by  | 5th Mar, 2008, 11:21: PM

Expert Answer:

nth term=sn - s(n-1)

sn= (6n)^2-6 and so s(n-1)= (6n-6)^2- 6

 

nth term= (6n)^2-6- (6n-6)^2+6

               =72n-36

Answered by  | 12th Mar, 2008, 04:32: PM

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