bagaimana penyelesaian

[tex] \frac{1}{ \frac{1}{3}^2 } = \frac{1}{ \frac{1}{9}} = 9 [/tex]

[tex] \frac{1}{ \frac{1}{ {3}^{2} }} \: \\ 1 \times \frac{ {3}^{2} }{1} \\ {3}^{2} \\ 9[/tex]