Respuestas

2014-02-27T19:44:14+01:00
 log32 / log2 
log32-log2
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Halla el valor de x
Log 6 (4(X-1))=2
6^2=4x-4
36=4x-4
32=4x
x=8
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log (2(x+ 5))= 2
8^2=2x^3+10
64=2x^3+10
x^3=27
x=3
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log x 25= -2
x^-2=25
1/x^2=25
x=1/5