20lvanhi 20lvanhi

14-06-2019
Mathematics

contestada

Solve the equation x4 – 26x2 + 25 = 0 in the real number system.

Respuesta :

Аноним Аноним

14-06-2019

Answer:

x = -1, 1, -5 , 5.

Step-by-step explanation:

x4 – 26x2 + 25 = 0

Factoring:

(x^2 - 25)(x^2 - 1) = 0

So x^2 - 25 = 0 gives x^2 = 25 and x = +/- 5.

x^2 - 1 gives x^2 = 1 and x = +/- 1.

Answer Link

Otras preguntas

True or false help pls

Augustine walked 15 miles at an average of 2 miles per hour. If the distance Augustine traveled is a function of time in hours, write the domain and range in in

What is the speed of light?

in what ways are the processes for state development in 1200 to 1450 ce similar and different ? We are mainly focusing on Europe right now

I NEED HELP ASP PLSSSS

what do u strongly believe is the worst crime one could commit?

HELP QUICKTrue or False:The energy in food is chemical energy, which can be converted into mechanical, electrical, thermal, or other forms of energy in the body

Farid performed a chemistry experiment in which he divided 2/3 of a box of baking soda evenly among 4 bottles. He then added vinegar and water to each bottle to

Is sea horse fish or a mammal

please help me I will mark you as Brainlist ☺️