Using the logarithm change of base rule | Mathematics III | High School Math | Khan Academy

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Sal rewrites logarithmic expressions like 1/(logₐ4) or logₐ(16)*log₂(a) using the change of base rule.

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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Thnx a lot...made it easier for me to understand

mansooralip
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thank u khan academyyy u r alwayss the bestt

ayeshajamal
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What program are you using to write in this video

ZestraMC
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What does recyprical mean or what ever that word was? That confused me .. you lost me there

Marconel