Datrys 12/sqrt{1-frac{100{910^16}}}

$$\frac{ 12 }{ \sqrt{ 1- \frac{ 100 }{ 9 { 10 }^{ 16 } } } }$$

Enrhifo

$$\frac{360000000\sqrt{899999999999999}}{899999999999999}\approx 12$$

Camau Ateb

Cyfrifo 10 i bŵer 16 a chael 10000000000000000.

$$\frac{12}{\sqrt{1-\frac{100}{9\times 10000000000000000}}}$$

Lluosi 9 a 10000000000000000 i gael 90000000000000000.

$$\frac{12}{\sqrt{1-\frac{100}{90000000000000000}}}$$

Lleihau'r ffracsiwn \frac{100}{90000000000000000} i'r graddau lleiaf posib drwy dynnu a chanslo allan 100.

$$\frac{12}{\sqrt{1-\frac{1}{900000000000000}}}$$

Troswch y rhif degol 1 i’r ffracsiwn \frac{900000000000000}{900000000000000}.

$$\frac{12}{\sqrt{\frac{900000000000000}{900000000000000}-\frac{1}{900000000000000}}}$$

Gan fod gan \frac{900000000000000}{900000000000000} a \frac{1}{900000000000000} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{12}{\sqrt{\frac{900000000000000-1}{900000000000000}}}$$

Tynnu 1 o 900000000000000 i gael 899999999999999.

$$\frac{12}{\sqrt{\frac{899999999999999}{900000000000000}}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{899999999999999}{900000000000000}} fel rhaniad ail israddau \frac{\sqrt{899999999999999}}{\sqrt{900000000000000}}.

$$\frac{12}{\frac{\sqrt{899999999999999}}{\sqrt{900000000000000}}}$$

Cyfrifo ail isradd 900000000000000 a chael 30000000.

$$\frac{12}{\frac{\sqrt{899999999999999}}{30000000}}$$

Rhannwch 12 â \frac{\sqrt{899999999999999}}{30000000} drwy luosi 12 â chilydd \frac{\sqrt{899999999999999}}{30000000}.

$$\frac{12\times 30000000}{\sqrt{899999999999999}}$$

Mae'n rhesymoli enwadur \frac{12\times 30000000}{\sqrt{899999999999999}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{899999999999999}.

$$\frac{12\times 30000000\sqrt{899999999999999}}{\left(\sqrt{899999999999999}\right)^{2}}$$

Sgwâr \sqrt{899999999999999} yw 899999999999999.

$$\frac{12\times 30000000\sqrt{899999999999999}}{899999999999999}$$

Lluosi 12 a 30000000 i gael 360000000.

$$\frac{360000000\sqrt{899999999999999}}{899999999999999}$$