Respuestas

2012-10-23T22:10:40+02:00

Then , ln(x/5)=4, x/5=e^4, x=5e^4=272.99
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log(x+2)/x=log(x+5) , 
x+2=x^2+5x
x^2+4x-2=0,x's=[-2+&-(4+2)^1/2]=
=+(\/'''6''')-2 =x isx=-\/'''6''' -2