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Properties of Logarithms - Part 2 - Solving Logarithmic Equations

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Uploaded by on Mar 18, 2008

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Properties of Logarithms - Part 2! In this video, I solve equations involving logarithms.
For more free math videos, visit http://PatrickJMT.com

  • likes, 18 dislikes

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Uploader Comments (patrickJMT)

  • buy a white board, much better financially and ecologically

  • @lolguz no

  • still a bit confused but i can easily watch this video till i get it, thanks!!

  • @ilovemysunshine09 yes, i rarely got stuff the first time around!

  • how to solve  log (n+9)=log 4n

  • @archerb88 n + 9 = 4n, and check your solutions

Top Comments

  • the value of having a teacher you can rewind is unbelievable

  • @DangerousPirate my table is fine and this is not a waste of paper. it is probably one of the most useful uses a piece of paper can have.

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All Comments (268)

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  • what is ln???? 2lnx+ln(x-1)+ln4 and i got x=3, is it correct ?

  • I don't get the 2nd part of the cancellation law :(

  • Natural born teacher.

  • ty, but i dont understand why did u divide by 2? can you do that? i thought you cant and you had to raise the 2 as a power so Lnx^2 = 1. Ty

  • wait, in the first problem why dont you take the number 2 and turn it into an exponent? to make it ln x square= 1

  • I FUCKING LOVE YOU! YOU SMART SON OF A BITCH!!! I BOW TO YOUR GENIUS!!!! THANK YOU!

  • @sarazuu I know I'm not Patrick but he said (at one point or the other, either in this video or the first one) that it tends to be generally easier. I think it's because the exponential function, e, tends to show up quite a bit so if it ever shows up with the natural logarithm, you can always simplify it to 1 to make whatever you're doing easier. Hope I helped :')

  • i like that you write ln as log base e. for some reason ln confuses me.so that helps

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