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

What was Nixon's attitude toward the power of the federal government

In 1967 a 30-second super bowl commercial cost 40,000. In 2000 a 30-second commercial cost 1,800,000. What was the percent of change in the cost of a commercial

What is a benefit of increased physical fitness

Which is the most important evidence of Shang rule?

Write an equation of the line that passes through the given points. (-2,8) and (1,2) (Write answer in slope-intercept form.)

What does scrooge say the poor should do this christmas?

why do we call the numbers we use today hindu-arabic numerals

how many 1/2 are there In 1

Why do you think scrooge's house has gone from beautiful to rundown and filthy? chrismas carol?

Choose one of the stages of cellular respiration or a stage of fermentation. Based on your choice of stage, answer the following questions. Each response should