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

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

How were life forms affected by the rise in atmospheric oxygen levels that began 2.2 billion years ago?

(10y^3+20y^2+55y)/5y

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

How is it possible for Mercury to have frozen ice ?

Find Domain of the functionsquare root of (x-8)/x(x-9)

(10y^3+20y^2+55y)/5y

(10y^3+20y^2+55y)/5y

Find Domain of the functionsquare root of (x-8)/x(x-9)

Scarcity is the condition of not having enough goods and services to satisfy everyone's?