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### Course: Algebra (all content) > Unit 18

Lesson 6: Advanced sigma notation- Arithmetic series in sigma notation
- Arithmetic series in sigma notation
- Finite geometric series in sigma notation
- Finite geometric series in sigma notation
- Evaluating series using the formula for the sum of n squares
- Partial sums intro
- Partial sums: formula for nth term from partial sum
- Partial sums: term value from partial sum
- Partial sums intro

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