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4\times \left(8i\right)-7\times 8i^{2}
Whakareatia 4-7i ki te 8i.
4\times \left(8i\right)-7\times 8\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
56+32i
Mahia ngā whakarea. Whakaraupapatia anō ngā kīanga tau.
Re(4\times \left(8i\right)-7\times 8i^{2})
Whakareatia 4-7i ki te 8i.
Re(4\times \left(8i\right)-7\times 8\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(56+32i)
Mahia ngā whakarea i roto o 4\times \left(8i\right)-7\times 8\left(-1\right). Whakaraupapatia anō ngā kīanga tau.
56
Ko te wāhi tūturu o 56+32i ko 56.