JurneeA519097 JurneeA519097

03-11-2022
Mathematics

contestada

What is the product of the complex numbers below? (4-21)(1+7) O A. 18-301 O B. -10-301 ОО O C. -10 + 261 O D. 18 + 261

What is the product of the complex numbers below 42117 O A 18301 O B 10301 ОО O C 10 261 O D 18 261 class=

Respuesta :

GarronE73725 GarronE73725

03-11-2022

Given the complex product:

(4 - 2i)(1 + 7i) =

• First we multiply each parenthesis:

4 + 28i - 2i - 14i²

• Using i² = -1

4 + 28i - 2i + 14 =

18 + 26i

Answer Link

Otras preguntas

A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.

A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.

Proof: Given: Isosceles trapezoid TRAP with TR=PA Prove: Angle RTA = angle APR

You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

In the step by step simplification of expression below which property is not used? 3(1+x)3(x+1)3(x)+3(1)3x +3 A) associative B) commutative C) distributive D)

You have a piece of wood that is 7 3/4 feet long. You want to cut one piece that is 3 7/12 feet long and one piece that is 4 1/12 feet long. Do you have enou

i need with math it say the ride-it store rents bicycles. the cost is $8.50 for 1 hour, $13.64 for 2 hours, $18.80 for 3 hours, and 23.95 for 4 hours. if the pa

A laptop computer is priced at $650. If the sales tax is 5%, find the total cost of the computer, including sales tax.