DoctorS44 DoctorS44

03-07-2020
Mathematics

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

Multiply the following complex numbers73i8 4i class=

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jimrgrant1 jimrgrant1

03-07-2020

Answer:

A

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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josiahedness josiahedness

09-11-2020

Answer:

A. A. A. A. A. A. A. A. A.

Step-by-step explanation:

Answer Link

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