(7/10sqrt{2})^2= eching

$$( \frac { 7 } { 10 } \sqrt { 2 } ) ^ { 2 } =$$

Baholash

$$\frac{49}{50}=0,98$$

Yechim qadamlari

\left(\frac{7}{10}\sqrt{2}\right)^{2} ni kengaytirish.

$$\left(\frac{7}{10}\right)^{2}\left(\sqrt{2}\right)^{2}$$

2 daraja ko‘rsatkichini \frac{7}{10} ga hisoblang va \frac{49}{100} ni qiymatni oling.

$$\frac{49}{100}\left(\sqrt{2}\right)^{2}$$

\sqrt{2} kvadrati – 2.

$$\frac{49}{100}\times 2$$

\frac{49}{50} hosil qilish uchun \frac{49}{100} va 2 ni ko'paytirish.

$$\frac{49}{50}$$

Omil

$$\frac{7 ^ {2}}{2 \cdot 5 ^ {2}} = 0,98$$