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 constitutional principle did the supreme court establish in the McCulloch case
WHAT COULD HAPPEN IN THE BODY IF PROTEINS OR ENZYMES LOST THEIR CONFORMATIONS OR WERE DENATURED?
Simplify the expression. [90 – (12 + 13)](15 ÷ 3)
Simplify the expression. [90 – (12 + 13)](15 ÷ 3)
How do i find the greatest common factor of 150, 275, and 420 ??
list the six enternal parts or peripherals of a computer system and identify which are output and which are input devices?
the blueprint for landscaping a yard has a scale of 1/2" to1 foot. if the blueprint is a rectangle 18 inches by 22 inches,what are the dimensions of the yard?
Stan works on an assembly line. What effective and appropriate approach would he be wise to use when coping with minor frustrations like hang-ups on a conveyor
WHAT COULD HAPPEN IN THE BODY IF PROTEINS OR ENZYMES LOST THEIR CONFORMATIONS OR WERE DENATURED?
Tim solved a system of linear equations. He found that an infinite number of points satisfied the system. What do you know for certain is true about the two lin