Rasionalkan bentuk akar 15 per 2√5 = di bantu ya kk

[tex] \frac{\sqrt{15}}{2\sqrt{5}}=\frac{\sqrt{15}}{2\sqrt{5}}* \frac{\sqrt{5}}{\sqrt{5}}= \frac{ \sqrt{75}}{10}= \frac{5\sqrt{3}}{10}= \frac{\sqrt{3}}{2} [/tex]