tolong ya bos...masalh ny nis ya gk palh paham...

[tex]\frac{15}{ \sqrt{3} } = \frac{15}{ \sqrt{3} } \times \frac{ \sqrt{3} }{ \sqrt{3} } = \frac{15 \sqrt{3} }{3} = 5 \sqrt{3}[/tex]
semoga membantu