Lösung 3.3:2f
Aus Online Mathematik Brückenkurs 1
Instead of always going back to the definition of the logarithm, it is better to learn to work with the log laws,
- \displaystyle \ \lg (ab) = \lg a + \lg b
- \displaystyle \ \lg a^{b} = b\lg a
and to simplify expressions first. By working in this way, one only needs, in principle, to learn that \displaystyle \lg 10 = 1\,.
In our case, we have