Explicit & recursive formulas for geometric sequences | High School Math | Khan Academy
469Sal finds an explicit formula of a geometric sequence given the first few terms of the sequences. Then he explores equivalent forms the explicit formula and finds the corresponding recursive formula.
Watch the next lesson: https://www.khanacademy.org/math/high-school-math/math1/math1-sequences/math1-constructing-geometric-sequences/v/converting-an-explicit-function-to-a-recursive-function?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath
Missed the previous lesson? https://www.khanacademy.org/math/high-school-math/math1/math1-sequences/math1-introduction-to-geometric-sequences/v/using-recursive-formulas-of-geometric-sequences?utm_source=YT&utm_medium=Desc&utm_campaign=highschoolmath
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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