find the sum to n terms of the series whose nth term are given by 1) n^2+2^n and b)an^3+bn^2+cn+d+ek^n

Asked by  | 15th Aug, 2012, 10:37: PM

Expert Answer:

We would request you to ask one question at a time. The answer to your first question as follows:
 

Answered by  | 20th Aug, 2012, 08:16: PM

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