Algebraoppgave
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Solar Plexsus
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- Joined: 03/10-2005 12:09
[tex]3\sqrt{5} \: \cdot \: \sqrt{5} \: \cdot \: 6\sqrt{5} \;=\; 3 \: \cdot \: 6 \: \cdot \: (\sqrt{5})^2 \: \cdot \: \sqrt{5} \;=\; 18 \: \cdot \: 5 \: \cdot \: \sqrt{5} \;=\; 90\sqrt{5}.[/tex]