Proofing Logarithms: a^(log(b))=b^(log(a))

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Does anyone know how to proof the following:

a^(log(b))=b^(log(a))

for a,b>0
 
on Phys.org
Let x = alog b and y = blog a

Using the rules of logarithms, show that log x = log y, hence that alog b = blog a
 
thanks
 

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