9zzz86nxgx 9zzz86nxgx
  • 01-09-2021
  • Mathematics
contestada

Let r= (4+i) and s= 1-i. What is the value of r2-s?

Respuesta :

jcherry99
jcherry99 jcherry99
  • 03-09-2021

Answer:

r^2 - s = 14 + 9i

Step-by-step explanation:

r^2 = 4^2 + 8i + i^2

r^2 = 16 + 8i - 1

r^2 = 15 + 8i

r^2 - s = 15 + 8i - (1 - i)

r^2 - s = 15 + 8i - 1 + i

r^2 - s = 14 + 9i

Answer Link

Otras preguntas

What do epidermis and the dermis have in common? Could you please help me with me questions?
Which of the following is a requirement for membership in either the Democratic or Republican Party? A. pass a test on the party philosophy B. pay a cert
From the equations 7a = 4 and 7a + 4b = 12, one can conclude that b is? Please explain the work behind the solution
How much energy is contained in the mass of a 60-kilogram person?
What was the purpose of the pure food and drug act of 1906?
I need help on my English homework I have no
Your uncle is planting an 8-foot tall tree. He ties support wires to the tree, 1 foot from the top, and ties them to posts on the ground, 4 feet from the trunk
how do you say I want a bowl of soup in spanish
Which decimal is equal to 7/10?A. 0.71B. 0.7C. 0.07D. 0.071
A rectangle whose perimeter is 80 m has an area of 384 m^2. Find the dimensions of the rectangle.