Datrys {left(5sqrt{5/9}right)}^2

$${ \left(5 \sqrt{ \frac{ 5 }{ 9 } } \right) }^{ 2 }$$

Enrhifo

$$\frac{125}{9}\approx 13.888888889$$

Camau Ateb

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{5}{9}} fel rhaniad ail israddau \frac{\sqrt{5}}{\sqrt{9}}.

$$\left(5\times \frac{\sqrt{5}}{\sqrt{9}}\right)^{2}$$

Cyfrifo ail isradd 9 a chael 3.

$$\left(5\times \frac{\sqrt{5}}{3}\right)^{2}$$

Mynegwch 5\times \frac{\sqrt{5}}{3} fel ffracsiwn unigol.

$$\left(\frac{5\sqrt{5}}{3}\right)^{2}$$

I godi \frac{5\sqrt{5}}{3} i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.

$$\frac{\left(5\sqrt{5}\right)^{2}}{3^{2}}$$

Ehangu \left(5\sqrt{5}\right)^{2}.

$$\frac{5^{2}\left(\sqrt{5}\right)^{2}}{3^{2}}$$

Cyfrifo 5 i bŵer 2 a chael 25.

$$\frac{25\left(\sqrt{5}\right)^{2}}{3^{2}}$$

Sgwâr \sqrt{5} yw 5.

$$\frac{25\times 5}{3^{2}}$$

Lluosi 25 a 5 i gael 125.

$$\frac{125}{3^{2}}$$

Cyfrifo 3 i bŵer 2 a chael 9.

$$\frac{125}{9}$$

Ffactor

$$\frac{5 ^ {3}}{3 ^ {2}} = 13\frac{8}{9} = 13.88888888888889$$