Whakaoti i te (8+2i)(6+i)

$$( 8 + 2 i ) ( 6 + i )$$

Aromātai

$$46+20i$$

Ngā Upane Otinga

Me whakarea ngā tau matatini 8+2i me 6+i pēnā i te whakarea huarua.

$$8\times 6+8i+2i\times 6+2i^{2}$$

Hei tōna tikanga, ko te i^{2} ko -1.

$$8\times 6+8i+2i\times 6+2\left(-1\right)$$

Mahia ngā whakarea.

$$48+8i+12i-2$$

Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa.

$$48-2+\left(8+12\right)i$$

Mahia ngā tāpiri.

$$46+20i$$

Wāhi Tūturu

$$46$$

Ngā Upane Otinga

Me whakarea ngā tau matatini 8+2i me 6+i pēnā i te whakarea huarua.

$$Re(8\times 6+8i+2i\times 6+2i^{2})$$

Hei tōna tikanga, ko te i^{2} ko -1.

$$Re(8\times 6+8i+2i\times 6+2\left(-1\right))$$

Mahia ngā whakarea i roto o 8\times 6+8i+2i\times 6+2\left(-1\right).

$$Re(48+8i+12i-2)$$

Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa ki 48+8i+12i-2.

$$Re(48-2+\left(8+12\right)i)$$

Mahia ngā tāpiri i roto o 48-2+\left(8+12\right)i.

$$Re(46+20i)$$

Ko te wāhi tūturu o 46+20i ko 46.

$$46$$