Class 10 Mathematics | Sum of Geometric Series

Class 10 Mathematics · Unit 6

Sum of Geometric Series

One formula, three forms · Sum, ratio, number of terms

What we will be able to do

🧮

Derive the formula for Sₙ ourselves

🔀

Choose the right form from r

🔍

Find a sum, r or n

💰

Solve instalment problems

Rs. 10,000

Rs. 11,000

Rs. 12,100

Rs. 13,310

Rs. 14,641 · total Rs. 61,051

The notes are free to read in full.

Presenter notes: Today we learn how to add many terms of a geometric series in one go.