akar 7 - akar 2 per akar 7 + akar 2
![]()
[tex]\frac{\sqrt{7}-\sqrt{2} }{\sqrt{7} +\sqrt{2} } \\ \frac{\sqrt{7}-\sqrt{2} }{\sqrt{7} +\sqrt{2} } . \frac{\sqrt{7}-\sqrt{2} }{\sqrt{7} -\sqrt{2} } \\ \frac{(\sqrt{7}-\sqrt{2})^{2} }{7-2}\\ \frac{7-2\sqrt{14} + 2 }{7-2} \\ \frac{9-2\sqrt{14} }{5}[/tex]
[answer.2.content]
