daisykaitlyn05 daisykaitlyn05
  • 23-05-2020
  • Mathematics
contestada

Write a quadratic equation whose roots are 1+8i and 1-8i

Respuesta :

osikbro
osikbro osikbro
  • 23-05-2020

Answer:

[tex]x^2-2x+65=0[/tex]

Step-by-step explanation:

If the roots of this equation are 1+8i and 1-8i, then:

[tex]x-(1+8i)=0\\x-(1-8i)=0[/tex]

And hence:

[tex]x-1-8i=0\\x-1+8i=0\\(x-1-8i)(x-1+8i)=0\\x^2-x+8ix-x+1-8i-8ix+8i+64=0\\x^2-2x+65=0[/tex]

Hope this helps!

Answer Link

Otras preguntas

Tiffany ___________ the new girl in conversation between classes to help her feel more comfortable on her first day at school.
"The Prisoner Who Wore Glasses" Which phrase BEST describes Brille? A: easygoing and generous with his friends B: intelligent, yet shortsighted in his politica
what are the main idea of the cell theory?
write a fraction less than 1 and a denominator of 6 that is greater than 3/4
Which type of rock is formed 20 kilometers below earths surface?
Help? What is the scale factor?
How many marsupial mammals are there?
Who led hebrews out of egypt. moses. b. isis. c. the paraoh
____ is produced during glycolysis and travels from the cytoplasm and enters the mitochondrion. A. Chloroplast B. Chlorophyll C. Citric acid D. Pyruvic aci
" Using the chart, identify an example of comparative advantage for either Country A or B over the United States. Be sure to identify the country with the compa