Using explicit formulas of geometric sequences | Mathematics I | High School Math | Khan Academy

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Sal finds the 5th term in the geometric sequence whose explicit formula is 3(-¼)^(i-1).

High School Math on Khan Academy: Did you realize that the word "algebra" comes from Arabic (just like "algorithm" and "al jazeera" and "Aladdin")? And what is so great about algebra anyway? This tutorial doesn't explore algebra so much as it introduces the history and ideas that underpin it.

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Very helpful video! Thanks for helping me understand my honors homework

taraskhan