Logaritmer – beviser

Bevis for reglerne:

$$\log(a\cdot b)=\log(a)+\log(b)$$

$$\log(\frac{a}{b}) = \log(a)-\log(b)$$

$$\log(a^b)=b\cdot \log(a)$$

Se Michael Grankvist Sørensen’s video.

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