Hi , I got stuck doing this log question: Given that log base 2 x=p and log base 4 y =q, express answer in terms of p and q. a) log base x 4y b)x^2y Help is appreciated because I need to prepare for an upcoming test. Thanks
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Originally Posted by AeroScizor Hi , I got stuck doing this log question: Given that log base 2 x=p and log base 4 y =q, express answer in terms of p and q. a) log base x 4y b)x^2y Help is appreciated because I need to prepare for an upcoming test. Thanks Hi AeroScizor, Part (a) Now slide the "2" over to the "p" and drop the log The change of base formula is Therefore Hence Part (b) If you meant Edit, sorry! I wrote the logs inverted earlier!!
Last edited by Archie Meade; Feb 25th 2010 at 06:09 AM. Reason: error
Hello, AeroScizor! I got a different answer for (a). Given: . (a) Express in terms of Note that: . . . Hence: . Base-change Formula: .
Originally Posted by Soroban Hello, AeroScizor! I got a different answer for (a). Note that: . . . Hence: . Base-change Formula: . Thanks for your reply, I finally get the concept now! Cheers.
Originally Posted by Archie Meade Hi AeroScizor, Part (a) Now slide the "2" over to the "p" and drop the log The change of base formula is Therefore Hence Part (b) If you meant Edit, sorry! I wrote the logs inverted earlier!! Thanks for your reply, I get the concept now. Cheers
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