Datrys sqrt{{left(frac{-sqrt{2}}{2}right)}^2+{left(frac{-sqrt{2}}{2}right)}^2}

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

Enrhifo

$$1$$

Camau Ateb

I godi \frac{-\sqrt{2}}{2} i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.

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

I godi \frac{-\sqrt{2}}{2} i bŵer, codwch y rhifiadur a'r enwadur i bŵer ac yna rhannwch nhw.

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

Cyfuno \frac{\left(-\sqrt{2}\right)^{2}}{2^{2}} a \frac{\left(-\sqrt{2}\right)^{2}}{2^{2}} i gael 2\times \frac{\left(-\sqrt{2}\right)^{2}}{2^{2}}.

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

Cyfrifo -\sqrt{2} i bŵer 2 a chael \left(\sqrt{2}\right)^{2}.

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

Cyfrifo 2 i bŵer 2 a chael 4.

$$\sqrt{2\times \frac{\left(\sqrt{2}\right)^{2}}{4}}$$

Sgwâr \sqrt{2} yw 2.

$$\sqrt{2\times \frac{2}{4}}$$

Lleihau'r ffracsiwn \frac{2}{4} i'r graddau lleiaf posib drwy dynnu a chanslo allan 2.

$$\sqrt{2\times \frac{1}{2}}$$

Lluosi 2 a \frac{1}{2} i gael 1.

$$\sqrt{1}$$

Cyfrifo ail isradd 1 a chael 1.

$$1$$

Ffactor

$$1$$