lisapressley2001
lisapressley2001 lisapressley2001
  • 03-01-2017
  • Mathematics
contestada

8. Find all the real fourth roots of 256

Respuesta :

surjithayer surjithayer
  • 03-01-2017
x^4=256
x^4-256=0
(x^2)^2-(16)^2=0
(x^2+16)(x^2-16)=0
either x^2+16=0
it gives complex roots.
or x^2-16=0
or x^2-4^2=0
(x+4)(x-4)=0
either x+4=0,x=-4
or x-4=0
x=4
Answer Link

Otras preguntas

Why does the enzyme pepsin (present in the stomach) denature in the intestine? The enzyme denatures due to change in temperature as it enters the intestine. The
Help with #16 please thanks
Data collection relies entirely on scientific experiments? true or false
pat paid $85.50 for renting a scooter for 6 hours. what was the rate per hour for renting the scooter? (input only numeric values and decimal point, and report
Is it possible for two angles to be both congruent and complementary? Explain why or why not. Thank you for taking the time to answer the question :D
How do you calculate a nation's per capita income?
Which term is used for the third-person account of a subject’s life? anecdote biography memoir satire
a triangle has sides measuring 2 inches and 7 inches. if x represents the length in inches of the third side, which inequality gives the range of possible value
which country has had the greatest number of repatriated refugees?
Bone marrow transplants are common for certain serious illnesses. Which of these functions is restored by doing a bone marrow transplant? A. purification of b