(2-i)(3+2i) eching

$$( 2 - i ) ( 3 + 2 i )$$

Baholash

$$8+i$$

Yechim qadamlari

Binomlarni ko‘paytirgandek 2-i va 3+2i murakkab sonlarni ko‘paytiring.

$$2\times 3+2\times \left(2i\right)-i\times 3-2i^{2}$$

Ta’rifi bo‘yicha, i^{2} – bu -1.

$$2\times 3+2\times \left(2i\right)-i\times 3-2\left(-1\right)$$

Ko‘paytirishlarni bajaring.

$$6+4i-3i+2$$

Real va mavhum qismlarni birlashtiring.

$$6+2+\left(4-3\right)i$$

Qo‘shishlarni bajaring.

$$8+i$$

Ashyoviy qism

$$8$$

Yechim qadamlari

Binomlarni ko‘paytirgandek 2-i va 3+2i murakkab sonlarni ko‘paytiring.

$$Re(2\times 3+2\times \left(2i\right)-i\times 3-2i^{2})$$

Ta’rifi bo‘yicha, i^{2} – bu -1.

$$Re(2\times 3+2\times \left(2i\right)-i\times 3-2\left(-1\right))$$

2\times 3+2\times \left(2i\right)-i\times 3-2\left(-1\right) ichidagi ko‘paytirishlarni bajaring.

$$Re(6+4i-3i+2)$$

6+4i-3i+2 ichida real va mavhum qismlarni birlashtiring.

$$Re(6+2+\left(4-3\right)i)$$

6+2+\left(4-3\right)i ichida qo‘shishlarni bajaring.

$$Re(8+i)$$

8+i ning real qismi – 8.

$$8$$