sqrt{(2sqrt{5})^2-(2)^2} eching

$$\sqrt { ( 2 \sqrt { 5 } ) ^ { 2 } - ( 2 ) ^ { 2 } }$$

Baholash

$$4$$

Yechim qadamlari

\left(2\sqrt{5}\right)^{2} ni kengaytirish.

$$\sqrt{2^{2}\left(\sqrt{5}\right)^{2}-2^{2}}$$

2 daraja ko‘rsatkichini 2 ga hisoblang va 4 ni qiymatni oling.

$$\sqrt{4\left(\sqrt{5}\right)^{2}-2^{2}}$$

\sqrt{5} kvadrati – 5.

$$\sqrt{4\times 5-2^{2}}$$

20 hosil qilish uchun 4 va 5 ni ko'paytirish.

$$\sqrt{20-2^{2}}$$

2 daraja ko‘rsatkichini 2 ga hisoblang va 4 ni qiymatni oling.

$$\sqrt{20-4}$$

16 olish uchun 20 dan 4 ni ayirish.

$$\sqrt{16}$$

16 ning kvadrat ildizini hisoblab, 4 natijaga ega bo‘ling.

$$4$$

Omil

$$2^{2}$$