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

3 Consider the reaction : Na + 3 H₂ ____2NH₂ suppose that at a particular moment during the reaction, molecular hydrogen is reacting at the rate of 0,074 m/s a)
who is cuche girl...........​
Which of the following statements about the spoils system is true? The spoils system was designed to make the selection of government jobs and political offices
5= 10x - 5y what’s the slope-intercept
County fair charges 1.25 per ticket for rides. Tom bought 25 ride tickets and spent a total of $43.75 total for rides and admission. The price of admission is t
what is the use of an animal cell​
If Y= 3X^3+X^2-5 and Z=X^2-12 what is the value of 2 (X-Z)? I need help fast
Question 11 (5 points) When performing CPR, infant techniques should be used on victims up to age 2.
What do both shapes have in common ?
a steady force is used...