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

Joliet and the "the rock" were examples of what type of prison?

What brain areas are associated with swallowing, and if damaged, can result in swallowing difficulty?

List the two molecular characteristics that are essential for elastomers.

(8.218+9.93)+(17.782+0.07)

Fill in the blank help please

If one or more paragraphs in an essay lack adequate explanations or supporting details, you can

how does the cell cycle help Organisms

Give two examples of an administrative decision that would be based on performance management information. give two examples of developmental decisions based on

From the end of world war ii until 1989, probably the most significant factor shaping urban form in east european and soviet cities was _______

An entity with two multivalued attributes will be mapped as how many relations