👉 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.

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

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