Aromātai
7+21i
Wāhi Tūturu
7
Tohaina
Kua tāruatia ki te papatopenga
7i\times 3+7\left(-1\right)i^{2}
Whakareatia 7i ki te 3-i.
7i\times 3+7\left(-1\right)\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
7+21i
Mahia ngā whakarea. Whakaraupapatia anō ngā kīanga tau.
Re(7i\times 3+7\left(-1\right)i^{2})
Whakareatia 7i ki te 3-i.
Re(7i\times 3+7\left(-1\right)\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(7+21i)
Mahia ngā whakarea i roto o 7i\times 3+7\left(-1\right)\left(-1\right). Whakaraupapatia anō ngā kīanga tau.
7
Ko te wāhi tūturu o 7+21i ko 7.
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