Find the partial sum of a sequence of 25 terms

👉 Learn how to find the partial sum of an arithmetic series. A series is the sum of the terms of a sequence. An arithmetic series is the sum of the terms of an arithmetic sequence. The formula for the sum of n terms of an arithmetic sequence is given by Sn = n/2 [2a + (n - 1)d], where a is the first term, n is the term number and d is the common difference. Where the last term is known, we can use Sn = n/2 (a + l) where l is the last term.

Organized Videos:
✅Series
✅Series | Learn About
✅Find the Sum of the Arithmetic Series
✅Find the Sum of the Geometric Series
✅Write the Rule of the Geometric Series
✅Find the Sum of a Series
✅Write the Rule of the Series

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[Awhellno]

as soon as i watched it i instantly subscribed and it wasnt even five minutes. Your so funny and your voice makes it so much easier :)

[michaelwillis]

Thank you for making these videos. I watch your videos as well as Kahn Academy's and I think yours are much easier to understand due to your "to the point" methods.

[salehalmoosawi]

Find the partial sum of a sequence of 25 terms
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•26‏/04‏/2013