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

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

Enrhifo

$$\frac{19000\sqrt{1827641}}{1827641}\approx 14.054265543$$

Camau Ateb

Adio 2.1 a 3.26 i gael 5.36.

$$\frac{380}{\sqrt{\left(\frac{5.36}{0.2}\right)^{2}+3.58^{2}}}$$

Ehangu \frac{5.36}{0.2} drwy luosi'r rhifiadur a'r enwadur gyda 100.

$$\frac{380}{\sqrt{\left(\frac{536}{20}\right)^{2}+3.58^{2}}}$$

Lleihau'r ffracsiwn \frac{536}{20} i'r graddau lleiaf posib drwy dynnu a chanslo allan 4.

$$\frac{380}{\sqrt{\left(\frac{134}{5}\right)^{2}+3.58^{2}}}$$

Cyfrifo \frac{134}{5} i bŵer 2 a chael \frac{17956}{25}.

$$\frac{380}{\sqrt{\frac{17956}{25}+3.58^{2}}}$$

Cyfrifo 3.58 i bŵer 2 a chael 12.8164.

$$\frac{380}{\sqrt{\frac{17956}{25}+12.8164}}$$

Adio \frac{17956}{25} a 12.8164 i gael \frac{1827641}{2500}.

$$\frac{380}{\sqrt{\frac{1827641}{2500}}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{1827641}{2500}} fel rhaniad ail israddau \frac{\sqrt{1827641}}{\sqrt{2500}}.

$$\frac{380}{\frac{\sqrt{1827641}}{\sqrt{2500}}}$$

Cyfrifo ail isradd 2500 a chael 50.

$$\frac{380}{\frac{\sqrt{1827641}}{50}}$$

Rhannwch 380 â \frac{\sqrt{1827641}}{50} drwy luosi 380 â chilydd \frac{\sqrt{1827641}}{50}.

$$\frac{380\times 50}{\sqrt{1827641}}$$

Mae'n rhesymoli enwadur \frac{380\times 50}{\sqrt{1827641}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{1827641}.

$$\frac{380\times 50\sqrt{1827641}}{\left(\sqrt{1827641}\right)^{2}}$$

Sgwâr \sqrt{1827641} yw 1827641.

$$\frac{380\times 50\sqrt{1827641}}{1827641}$$

Lluosi 380 a 50 i gael 19000.

$$\frac{19000\sqrt{1827641}}{1827641}$$