rasionalkan penyebut pecahan 3per √2+1
![]()
[tex] = \frac{3}{ \sqrt{2} + 1} [/tex]
[tex] = \frac{3}{ \sqrt{2} + 1} \times \frac{ \sqrt{2 } - 1 }{ \sqrt{2} - 1} [/tex]
[tex] = \frac{3 \sqrt{2} - 3}{2 - 1} [/tex]
[tex] = \frac{3 \sqrt{2} - 3}{1} [/tex]
[tex] = 3 \sqrt{2} - 3[/tex]
[answer.2.content]
