Find a formula for the nth partial sum of the series

The best way to Find a formula for the nth partial sum of the series is to eliminate as many options as possible.

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Finding formula for nth partial sum

Find & formula for the nth partial sum of the series and use it to find - the series' sumn if the series converges 172 23 n (n + 1) 6ln + 2) n+ ] Sn + 42 6 (n +) Calculus 1 / AB 2 < Previous Next

How to find the formula for the nth partial sum of any series

Let us find a formula for the nth partial sum of a geometric series. Sn = a + ar + ar2 + ⋯ +arn−1 by multiplying by r, ⇒ rSn = ar + ar2 + ⋯ +arn−1 + arn by subtracting rSn from Sn, ⇒

Solved b) Find a formula for the nth partial sum of the

How to find the formula for the nth partial sum of any series - Quora Answer: Take a GP S(n)= a(1)+a(2)+ a(n). Eq1 Let the common ratio be r Then a(n)= a×r^(n-1) Multiply both sides of Eq1

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