Aromātai
45+20i
Wāhi Tūturu
45
Tohaina
Kua tāruatia ki te papatopenga
5i\times 4+5\left(-9\right)i^{2}
Whakareatia 5i ki te 4-9i.
5i\times 4+5\left(-9\right)\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
45+20i
Mahia ngā whakarea. Whakaraupapatia anō ngā kīanga tau.
Re(5i\times 4+5\left(-9\right)i^{2})
Whakareatia 5i ki te 4-9i.
Re(5i\times 4+5\left(-9\right)\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(45+20i)
Mahia ngā whakarea i roto o 5i\times 4+5\left(-9\right)\left(-1\right). Whakaraupapatia anō ngā kīanga tau.
45
Ko te wāhi tūturu o 45+20i ko 45.
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