Question

find the sum of the series

sigma n=0 to infinity {2 [3^(n/2 -2) / 7^(n+1)] + sin ( (n+1)pi / 2n+1) - sin (n pi / 2n-1)}

Answer #1

We find out the sum of the given series by using partial sum sequence.

find the sun of the series
sigma n=0 to infinity 2(3^n/2 -2)/7^n+1 + sin ( (n+1)pi / 2n+1)
- sin (npi/2n-1)

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