Datrys 380/sqrt{frac{(2.1+3.26)^2{0.2}+3.58^2}}

$$\frac { 380 } { \sqrt { \frac { ( 2.1 + 3.26 ) ^ { 2 } } { 0.2 } + 3.58 ^ { 2 } } }$$

Enrhifo

$$\frac{19000\sqrt{391161}}{391161}\approx 30.379164608$$

Camau Ateb

Adio 2.1 a 3.26 i gael 5.36.

$$\frac{380}{\sqrt{\frac{5.36^{2}}{0.2}+3.58^{2}}}$$

Cyfrifo 5.36 i bŵer 2 a chael 28.7296.

$$\frac{380}{\sqrt{\frac{28.7296}{0.2}+3.58^{2}}}$$

Ehangu \frac{28.7296}{0.2} drwy luosi'r rhifiadur a'r enwadur gyda 10000.

$$\frac{380}{\sqrt{\frac{287296}{2000}+3.58^{2}}}$$

Lleihau'r ffracsiwn \frac{287296}{2000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 16.

$$\frac{380}{\sqrt{\frac{17956}{125}+3.58^{2}}}$$

Cyfrifo 3.58 i bŵer 2 a chael 12.8164.

$$\frac{380}{\sqrt{\frac{17956}{125}+12.8164}}$$

Adio \frac{17956}{125} a 12.8164 i gael \frac{391161}{2500}.

$$\frac{380}{\sqrt{\frac{391161}{2500}}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{391161}{2500}} fel rhaniad ail israddau \frac{\sqrt{391161}}{\sqrt{2500}}.

$$\frac{380}{\frac{\sqrt{391161}}{\sqrt{2500}}}$$

Cyfrifo ail isradd 2500 a chael 50.

$$\frac{380}{\frac{\sqrt{391161}}{50}}$$

Rhannwch 380 â \frac{\sqrt{391161}}{50} drwy luosi 380 â chilydd \frac{\sqrt{391161}}{50}.

$$\frac{380\times 50}{\sqrt{391161}}$$

Mae'n rhesymoli enwadur \frac{380\times 50}{\sqrt{391161}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{391161}.

$$\frac{380\times 50\sqrt{391161}}{\left(\sqrt{391161}\right)^{2}}$$

Sgwâr \sqrt{391161} yw 391161.

$$\frac{380\times 50\sqrt{391161}}{391161}$$

Lluosi 380 a 50 i gael 19000.

$$\frac{19000\sqrt{391161}}{391161}$$