Datrys sqrt{42/3})^-1

$$\sqrt { 4 \frac { 2 } { 3 } } ) ^ { - 1 }$$

Enrhifo

$$\frac{\sqrt{42}}{3}\approx 2.160246899$$

Camau Ateb

Lluosi 4 a 3 i gael 12.

$$\sqrt{\frac{12+2}{3}}$$

Adio 12 a 2 i gael 14.

$$\sqrt{\frac{14}{3}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{14}{3}} fel rhaniad ail israddau \frac{\sqrt{14}}{\sqrt{3}}.

$$\frac{\sqrt{14}}{\sqrt{3}}$$

Mae'n rhesymoli enwadur \frac{\sqrt{14}}{\sqrt{3}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{3}.

$$\frac{\sqrt{14}\sqrt{3}}{\left(\sqrt{3}\right)^{2}}$$

Sgwâr \sqrt{3} yw 3.

$$\frac{\sqrt{14}\sqrt{3}}{3}$$

I luosi \sqrt{14} a \sqrt{3}, dylid lluosi'r rhifau dan yr ail isradd.

$$\frac{\sqrt{42}}{3}$$