Aromātai
-21-12i
Wāhi Tūturu
-21
Tohaina
Kua tāruatia ki te papatopenga
3i\left(-4\right)+3\times 7i^{2}
Whakareatia 3i ki te -4+7i.
3i\left(-4\right)+3\times 7\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
-21-12i
Mahia ngā whakarea. Whakaraupapatia anō ngā kīanga tau.
Re(3i\left(-4\right)+3\times 7i^{2})
Whakareatia 3i ki te -4+7i.
Re(3i\left(-4\right)+3\times 7\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(-21-12i)
Mahia ngā whakarea i roto o 3i\left(-4\right)+3\times 7\left(-1\right). Whakaraupapatia anō ngā kīanga tau.
-21
Ko te wāhi tūturu o -21-12i ko -21.
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