1.

If nth term of the series 5 + 7 + 13 + 31+ 85 ------------- can be written as Tn = a.3(n−1) + bn + c. Find the sum of the first eight terms of the given series. __

Answer»

If nth term of the series 5 + 7 + 13 + 31+ 85 ------------- can be written as Tn = a.3(n1) + bn + c. Find the sum of the first eight terms of the given series.


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