Logga in
lg(a) + lg(b)=lg(ab)
Multiplicera bråk
a/a=1
lg(1) = 0
lg(a^b)= b*lg(a)
Multiplicera faktorer
Subtrahera term
a+a=2a
sqrt(a)=a^(12)
1/a=a^(- 1)
b*lg(a)=lg(a^b)
lg(a/b)=lg(a) - lg(b)
Multiplicera in -1
lg(a) - lg(b)=lg(a/b)
a^b/a=a^(b-1)