Datrys (2)(-3sqrt{2/3})^2

$$( 2 ) ( - 3 \sqrt { \frac { 2 } { 3 } } ) ^ { 2 }$$

Enrhifo

$$12$$

Camau Ateb

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{2}{3}} fel rhaniad ail israddau \frac{\sqrt{2}}{\sqrt{3}}.

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

Mae'n rhesymoli enwadur \frac{\sqrt{2}}{\sqrt{3}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{3}.

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

Sgwâr \sqrt{3} yw 3.

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

I luosi \sqrt{2} a \sqrt{3}, dylid lluosi'r rhifau dan yr ail isradd.

$$2\left(-3\times \frac{\sqrt{6}}{3}\right)^{2}$$

Canslo 3 a 3.

$$2\left(-\sqrt{6}\right)^{2}$$

Ehangu \left(-\sqrt{6}\right)^{2}.

$$2\left(-1\right)^{2}\left(\sqrt{6}\right)^{2}$$

Cyfrifo -1 i bŵer 2 a chael 1.

$$2\times 1\left(\sqrt{6}\right)^{2}$$

Sgwâr \sqrt{6} yw 6.

$$2\times 1\times 6$$

Lluosi 1 a 6 i gael 6.

$$2\times 6$$

Lluosi 2 a 6 i gael 12.

$$12$$

Ffactor

$$2^{2}\times 3$$