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01 Jun 10
16:39
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27 Nov 03
If x^y=z, what does y equal?
By that notation I mean x to the y equals z.
I have asked this before but can't find the notebook I wrote the answer down in. I think y=(log z)/(log x), but I'm not sure.
If anyone can help I'd appreciate it.
By that notation I mean x to the y equals z.
I have asked this before but can't find the notebook I wrote the answer down in. I think y=(log z)/(log x), but I'm not sure.
If anyone can help I'd appreciate it.
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take logs of both sides.
log(x^y) = log(z)
y(log(x)) = log(z)
y = log(z)/log(x)
log(x^y) = log(z)
y(log(x)) = log(z)
y = log(z)/log(x)
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