KolbeyF445021 KolbeyF445021
  • 25-10-2022
  • Mathematics
contestada

Which is the value of x2 - 6x + 9 when x = 2 + i?

Respuesta :

MalenaP511669 MalenaP511669
  • 25-10-2022
[tex]x^2-6x+9[/tex][tex]\begin{gathered} x=2+i \\ so\colon \\ (2+i)^2-6(2+i)+9 \end{gathered}[/tex][tex]3+4i-12-6i+9[/tex]

add like terms:

[tex]\begin{gathered} (3+9-12)+(4i-6i) \\ 0-2i \\ -2i \end{gathered}[/tex]

Answer Link

Otras preguntas

What condition must be met for a battery to be rechargeable? Either its anode or its cathode must generate a gas as a result of the electrochemical reaction. It
Number 28 is the only question I need please help, with steps
explain math now 1!!!!!!!!!!!!!!
Susan suffered from a heart attack. When the doctors tested the heart muscle, they found that she had an increased ratio of lactic acid to pyruvic acid in her h
Which of these is the responsibility of public health? A)disease reporting B)drug prescriptions C)self-exams for breast and testicular cancer D)disease diagno
What are the different types of cells found in skin tissues? Functions?
Blood in the ventricle that is destined for the pulmonary capillary beds is in contact with the: a. right ventricular myocardium b. the aortic valve. c. endothe
Which statement describes what happens to the carbon dioxide produced in cellular respiration?​
Which of the following statements about the labor market is correct? A. The employment contract specifies the level of work effort required from a worker. B. Pa
The buffalo and big cypress bayou both contain__