Worked example: using recursive formula for arithmetic sequence | High School Math | Khan Academy

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Example finding the 4th term in a recursively defined arithmetic sequence.

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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this was a fun way to solve...if a person dosent know what an aritgmetic progression is thrn this method is the best!!

raunakpai
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Not happy cause I had a test on this and could've used it earlier 😩

sofiag
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