(2+i)^2-(2+i)(2-i)/(1-i)^2 eching

$$\frac { ( 2 + i ) ^ { 2 } - ( 2 + i ) ( 2 - i ) } { ( 1 - i ) ^ { 2 } }$$

Baholash

$$-2-i$$

Yechim qadamlari

2 daraja ko‘rsatkichini 2+i ga hisoblang va 3+4i ni qiymatni oling.

$$\frac{3+4i-\left(2+i\right)\left(2-i\right)}{\left(1-i\right)^{2}}$$

5 hosil qilish uchun 2+i va 2-i ni ko'paytirish.

$$\frac{3+4i-5}{\left(1-i\right)^{2}}$$

-2+4i olish uchun 3+4i dan 5 ni ayirish.

$$\frac{-2+4i}{\left(1-i\right)^{2}}$$

2 daraja ko‘rsatkichini 1-i ga hisoblang va -2i ni qiymatni oling.

$$\frac{-2+4i}{-2i}$$

Surat va maxrajini xayolik birlik i bilan ko‘paytiring.

$$\frac{-4-2i}{2}$$

-2-i ni olish uchun -4-2i ni 2 ga bo‘ling.

$$-2-i$$

Ashyoviy qism

$$-2$$

Yechim qadamlari

2 daraja ko‘rsatkichini 2+i ga hisoblang va 3+4i ni qiymatni oling.

$$Re(\frac{3+4i-\left(2+i\right)\left(2-i\right)}{\left(1-i\right)^{2}})$$

5 hosil qilish uchun 2+i va 2-i ni ko'paytirish.

$$Re(\frac{3+4i-5}{\left(1-i\right)^{2}})$$

-2+4i olish uchun 3+4i dan 5 ni ayirish.

$$Re(\frac{-2+4i}{\left(1-i\right)^{2}})$$

2 daraja ko‘rsatkichini 1-i ga hisoblang va -2i ni qiymatni oling.

$$Re(\frac{-2+4i}{-2i})$$

\frac{-2+4i}{-2i}ning surat va maxrajini xayolik birlik i bilan ko‘paytiring.

$$Re(\frac{-4-2i}{2})$$

-2-i ni olish uchun -4-2i ni 2 ga bo‘ling.

$$Re(-2-i)$$

-2-i ning real qismi – -2.

$$-2$$