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Logarithm properties : Proof: A(log B) = log (B^A), log A - log B = log (A/B)

By Sal Khan

Book Id: WPLBN0002824269
Format Type: Video (Educational Video)
File Size:
Reproduction Date: 2012

 Title: Logarithm properties : Proof: A(log B) = log (B^A), log A - log B = log (A/B) Author: Sal Khan Volume: Algebra series Language: English Subject: Collections: Historic Publication Date: Publisher: Khan Academy Member Page: Khan Academy Citation APA MLA Chicago Khan, S. (n.d.). Logarithm properties : Proof: A(log B) = log (B^A), log A - log B = log (A/B). Retrieved from http://www.hawaiilibrary.net/

Description
Proofs of the logarithm properties: A(log B) = log (B^A) and log A - log B = log (A/B)

Summary
Conceptual videos and worked examples from basic algebra through algebra 2. Includes videos from the former algebra worked examples playlists.

Excerpt
Log-a-what? No, this tutorial is about neither chopped wood nor music (actually logarithms do have applications in music), but it is fascinating nonetheless. You know how to take an exponent. Now you can think about what exponent you have to raise a numbe