Solution 3.3:4b
From Förberedande kurs i matematik 1
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- | + | The two terms can be combined into one logarithmic expression using the log law | |
- | < | + | <math>\lg a+\lg b=\lg \left( ab \right)</math>. |
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+ | <math>\lg 23+\lg \frac{1}{23}=\lg 23\centerdot \frac{1}{23}=\lg 1=0</math> |
Revision as of 14:49, 25 September 2008
The two terms can be combined into one logarithmic expression using the log law \displaystyle \lg a+\lg b=\lg \left( ab \right).
\displaystyle \lg 23+\lg \frac{1}{23}=\lg 23\centerdot \frac{1}{23}=\lg 1=0