Exponentials & Logarithms - Cool math Algebra Help Lessons

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Coolmath Algebra
Exponentials & Logarithms Lesson 14 - Tricks to Help With Calculus
(page 1 of 4)
---- This algebra lesson shows how to use logarithm rules to break up complicated logarithms into several simple logs

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This is just a formula game... If you take Calculus, these rules can make impossible problems really easy!

Here's an example that you can double-check on your calculator
to see if this really works:

Check this on your calculator:

Ln( 25 ) = Ln( 50 / 2 ) = Ln( 50 ) - Ln( 2 )

Finally, there's our old friend:

Check this on your calculator:

log( 9 ) = log( 3^( 2 ) ) = 2 * log( 3 )

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