1.express in terms of log a, log b. 2.express as a single logarithm. thanks
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Originally Posted by llkkjj24 1.express in terms of log a, log b. 2.express as a single logarithm. thanks Use these two facts: And for the second, note that . Can you do it now?
ye, i did it before, but my answer didn't match of the book. so was hoping for someone to work it out so i can see my mistakes
Originally Posted by llkkjj24 so was hoping for someone to work it out so i can see my mistakes Post your work so we can see your mistakes, it will be easier to assist you this way.
for 1 i had trouble of how to manipulate the fraction . is this the correct form? for 2 i did using the laws of logs. then
Using the properties posted above by Defunkt, you get: and for the second one:
Originally Posted by llkkjj24 for 1 i had trouble of how to manipulate the fraction . is this the correct form? for 2 i did using the laws of logs. then You can also solve the second problem this way: (after rationalising and simplifying the fraction)
thanks , problem solved
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