DoctorS44 DoctorS44

03-07-2020
Mathematics

contestada

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

Multiply the following complex numbers73i8 4i class=

Respuesta :

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

Answer Link

josiahedness josiahedness

09-11-2020

Answer:

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

Step-by-step explanation:

Answer Link

Otras preguntas

Currently, I am 9 times as old as my son. Next year, I will be 7 times as old as my son. How old is my son now?

What is the purpose of a memorial? a) To help people memorize information. b) To remind the world of an important person or event. c) To support the development

Name a department store around today.

Select the word or phrase from the drop-down menu to describe ionic compounds. A formula unit represents the simplest ratio of elements in a of an ionic compo

When did Lincoln decide to free the Slaves in the south? pleas i need it answered in less then 5 min

Please help! I've been on this question for more than an hour... You pick a card at random. Without putting the first card back, you pick a second card at rando

Help me out, thank you.

what are 5 benefits war

At a sale, dresses were sold for $140 each. If the dresses originally cost $200 each, what percentage of its original price was a dress sold for?

What’s the BLM hashtag and why does it affect our society