emorden
emorden
08-05-2017
Mathematics
contestada
3ln3-ln9 in single logarithmic form
Respuesta :
apologiabiology
apologiabiology
08-05-2017
remember
aln(c)=ln(c^a)
and
ln(a)-ln(b)=ln(a/b)
so
3ln3-ln9=
ln(3^3)-ln9=
ln27-ln9=
ln(27/9)=
ln3
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