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

what expression is equivalent to 2a--5b+3c3c--5b+2a2a+5b--3c2a--3c+5b5b--2a+3c​
Based on this description, which did plunkett belong to?.
The Federal Deposit Insurance Corporation (FDIC) was created to regulate the industry. It provides insurance for individuals who . The New Deal also created the
Given that x+y=60, the maximum value of x2y is The value of x for this maximum value is Answer
O A. It establishes the speaker's credibility by acknowledging the difficulties of war. O B. It underscores that disagreement will not be tolerated and will be
I want a paragraph about a good day in my life but with present simple PLS PLS
How are the amendments in the Bill of Rights organized? A. By order of events B. By order of importance C. By subject matter D. By the cause of each problem
PLEASE SOMEONE HELP ASAP!! PLEASE ANSWER ALL THESE QUESTIONS (correct answer gets brainliest!!)
Describe Colonel Lloyd's garden.
Rosey purchased 364 flowers to make centerpieces for a party. There are 13 tables. Each table will have 4 vases with the same number of flowers in each. How man