annikagrace24 annikagrace24
  • 22-01-2018
  • Mathematics
contestada

HELP PLS
Solve for the roots of x in each of the equations below.

x^4 - 81 = 0
x^4 + 10x^2 + 25 = 0
x^4 - x^2 - 6 = 0

Respuesta :

ecallejas131 ecallejas131
  • 23-01-2018
1. x=3, x=-3

2. 2 i sqrt(5), -i sqrt(5)

3. sqrt(3), -sqrt(3), i sqrt(2), -i sqrt(2)
Answer Link

Otras preguntas

A sunflower is an example of a multicellular or unicellular organism.
What do i supposed to do for this ?
16) Find four numbers that are evenly divisible by both 4 and 9. 17) Find four numbers that are evenly divisible by 2, 3, and 5. 18) Find four numbers that are
Anaya is viewing her bank account online she sees three entries for Monday each for -$10.50. Write an expression to represent the total change on Anaya’s accoun
a line intersecting two perpendicular lines name
If A : B = 4 : 5 and B : C = 3 : 2, find A : B : C.
help, need answer. do not need to be worked out ​
if u help me with these 15 questions ill give brainlest every time have to be right
Can the Hudson river go to Europe
what is the importance of familiarizing and understanding the cells rows and format tools in the microsoft cell​