Main content

### Course: Class 10 (Old) > Unit 5

Lesson 4: Sum of first n terms of an AP- Arithmetic series intro
- Arithmetic series formula
- Worked example: arithmetic series (sum expression)
- Finding first term and common difference when sum is given
- Finding number of terms when sum of an arithmetic progression is given
- Sum of n terms (intermediate)
- Sum of n terms (advanced)
- Comparing arithmetic progressions

© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice

# Sum of n terms (advanced)

You might need: Calculator