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October 1, 2014

October 1, 2014

Posted by **kevin** on Sunday, June 12, 2011 at 10:18pm.

show your work

ln x^2/y^3

Assuming x,y AND z are positive use properties of logariths to write the expression as a single logarithm

logx+log y

1/3logx

4 log(xy)-3 log (yz)

Use change of base to evaluate the logarithm

log tiny 8 175

log small 3 X

- pre calculous -
**Reiny**, Sunday, June 12, 2011 at 10:58pmthere are 3 log properties you will need for the first four.

1. LogA + logB = log(AB)

2. logA - logB = log(A/B)

3. nlogA = log(A^n)

for log_{8}175

= log 175/ log 8 , remember when no base is written, assume base 10

= 2.4837 appr.

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