Bianca J.

asked • 10/26/15

Prove logarithmic equation

Prove:
 
alog b=blog a

Bianca J.

I can't quite figure it out with the variables
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10/26/15

1 Expert Answer

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Maurizio T. answered • 10/26/15

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.. Have you tried taking log() on both sides and using properties of logs?
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Bianca J.

I can't quite figure it out with the variables 
Report

10/26/15

Maurizio T.

If alogb = bloga, since the log is such that log(x) = log(y) if and only if x= y, then
 
log(alogb) = log(bloga)
 
Now, use the property for which log(cd) = dlog(c),......
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10/27/15

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