Datrys 1divsqrt{1-299^2div300^2}

$$1 \div \sqrt{ 1- { 299 }^{ 2 } \div { 300 }^{ 2 } }$$

Enrhifo

$$\frac{300\sqrt{599}}{599}\approx 12.257667697$$

Camau Ateb

Cyfrifo 299 i bŵer 2 a chael 89401.

$$\frac{1}{\sqrt{1-\frac{89401}{300^{2}}}}$$

Cyfrifo 300 i bŵer 2 a chael 90000.

$$\frac{1}{\sqrt{1-\frac{89401}{90000}}}$$

Troswch y rhif degol 1 i’r ffracsiwn \frac{90000}{90000}.

$$\frac{1}{\sqrt{\frac{90000}{90000}-\frac{89401}{90000}}}$$

Gan fod gan \frac{90000}{90000} a \frac{89401}{90000} yr un dynodydd, tynnwch nhw drwy dynnu eu rhifiaduron.

$$\frac{1}{\sqrt{\frac{90000-89401}{90000}}}$$

Tynnu 89401 o 90000 i gael 599.

$$\frac{1}{\sqrt{\frac{599}{90000}}}$$

Ailysgrifennu ail isradd y rhaniad \sqrt{\frac{599}{90000}} fel rhaniad ail israddau \frac{\sqrt{599}}{\sqrt{90000}}.

$$\frac{1}{\frac{\sqrt{599}}{\sqrt{90000}}}$$

Cyfrifo ail isradd 90000 a chael 300.

$$\frac{1}{\frac{\sqrt{599}}{300}}$$

Rhannwch 1 â \frac{\sqrt{599}}{300} drwy luosi 1 â chilydd \frac{\sqrt{599}}{300}.

$$\frac{300}{\sqrt{599}}$$

Mae'n rhesymoli enwadur \frac{300}{\sqrt{599}} drwy luosi'r rhifiadur a'r enwadur â \sqrt{599}.

$$\frac{300\sqrt{599}}{\left(\sqrt{599}\right)^{2}}$$

Sgwâr \sqrt{599} yw 599.

$$\frac{300\sqrt{599}}{599}$$