3 years ago

Multiply the following complex numbers:(7-3i)(8 + 4i)

Mathematics

1 answer:

mel-nik [20]3 years ago

3 0

Answer:

Step-by-step explanation:

Noting that i² = - 1

Given

(7 - 3i)(8 + 4i) ← expand factors using FOIL

= 56 + 28i - 24i - 12i²

= 56 + 4i - 12(- 1)

= 56 + 4i + 12

= 68 + 4i → A

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Multiply the following complex numbers:(7-3i)(8 + 4i)​

Multiply the following complex numbers:(7-3i)(8 + 4i)