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when logs of different base are on different sides of the =

08-02-2014 04:03PM

#1

FiachDubh

Closed Accounts Posts: 72 ✭✭

Join Date: April 2013

Posts: 61

log4 (3x+1) = log2 (x-1)

Do you do the log2 over log4 thing?
Thanks

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Comments

#2 08-02-2014 08:58PM

platypus

Registered Users, Registered Users 2 Posts: 372 ✭✭

Join Date: July 2007

Posts: 322

Use change of base law to change log4(3x+1) to log2(3x+1)/log2(4) and you should be able to work on from there

0