Datrys 2xsqrt{18.811/89}

$$2 x \sqrt { \frac { 18.811 } { 89 } }$$

Enrhifo

$$\frac{\sqrt{16741790}x}{4450}$$

Camau Ateb

Ehangu \frac{18.811}{89} drwy luosi'r rhifiadur a'r enwadur gyda 1000.

$$2x\sqrt{\frac{18811}{89000}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{18811}{89000}} fel rhaniad ail israddau \frac{\sqrt{18811}}{\sqrt{89000}}.

$$2x\times \frac{\sqrt{18811}}{\sqrt{89000}}$$

Ffactora 89000=10^{2}\times 890. Ailysgrifennu ail isradd y lluoswm \sqrt{10^{2}\times 890} fel lluoswm ail israddau \sqrt{10^{2}}\sqrt{890}. Cymryd isradd 10^{2}.

$$2x\times \frac{\sqrt{18811}}{10\sqrt{890}}$$

Mae'n rhesymoli enwadur \frac{\sqrt{18811}}{10\sqrt{890}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{890}.

$$2x\times \frac{\sqrt{18811}\sqrt{890}}{10\left(\sqrt{890}\right)^{2}}$$

Sgwâr \sqrt{890} yw 890.

$$2x\times \frac{\sqrt{18811}\sqrt{890}}{10\times 890}$$

I luosi \sqrt{18811} a \sqrt{890}, dylid lluosi'r rhifau dan yr ail isradd.

$$2x\times \frac{\sqrt{16741790}}{10\times 890}$$

Lluosi 10 a 890 i gael 8900.

$$2x\times \frac{\sqrt{16741790}}{8900}$$

Diddymwch y ffactor cyffredin mwyaf 8900 yn 2 a 8900.

$$\frac{\sqrt{16741790}}{4450}x$$

Mynegwch \frac{\sqrt{16741790}}{4450}x fel ffracsiwn unigol.

$$\frac{\sqrt{16741790}x}{4450}$$

Gwahaniaethu w.r.t. x

$$\frac{\sqrt{16741790}}{4450} = 0.9194771352498066$$