4 per 2 tambah akar 3

4/2=2akar3=12 semoga membantu

[tex] \frac{4}{2 + \sqrt{3} } \times \frac{2 - \sqrt{3} }{2 - \sqrt{3}} = \frac{8 - 4 \sqrt{3}}{4 - 2 \sqrt{3} + 2 \sqrt{3} - 3 } = \frac{8 - 4 \sqrt{3} }{4 - 3} = \frac{8 - 4 \sqrt{3} }{1} = 8 - 4 \sqrt{ 3} [/tex]