Sprint 8 · Chapter 2

Sum Of First N Terms Of An AP

Derive and apply the sum formula for an Arithmetic Progression.

1. 2Sum of First n Terms of an AP Visual
2. 3Deriving the Sum Formula
3. 4Sum Formulas
4. 5Using the Main Sum Formula
5. 6Finding a Term Given the Sum
6. 7Formula Selection
7. 8Sum of Positive Integers