Salut.
[tex]\displaystyle{\frac{225}{15\sqrt{3}}=\frac{225}{15} \cdot \frac{1}{\sqrt{3}} }[/tex]
[tex]\displaystyle{=15 \cdot \frac{1}{\sqrt{3}} =\frac{15}{\sqrt{3}} }[/tex]
[tex]\displaystyle{=\frac{15\sqrt{3}}{\sqrt{3}\cdot\sqrt{3}}=\frac{15\sqrt{3}}{3}=5\sqrt{3} }[/tex]
- Lumberjack25
