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(Solved): Assume the nth partial sum of a series n=1an is the following. sn=n+3n3 (a) Fi ...

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Assume the

n

th partial sum of a series

\sum_{n = 1}^{\infty} a_{n}

is the following.

s_{n} = \frac{n - 3}{n + 3}

(a) Find

a_{n}

for

n > 1

.

a_{n} =

(b) Find

\sum_{n = 1}^{\infty} a_{n}

.

\sum_{n = 1}^{\infty} a_{n} =

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Consider the following partial sum of the series :

(a). To find the , we can use the differenc...

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