jason1556
jason1556 jason1556
  • 12-08-2018
  • Mathematics
contestada

x^2-4x+1=0 . RESOLVE PLS

Respuesta :

konrad509
konrad509 konrad509
  • 12-08-2018

[tex] x^2-4x+1=0\\
x^2-4x+4-3=0\\
(x-2)^2=3\\
x-2=\sqrt 3\vee x-2=-\sqrt3\\
x=2+\sqrt 3\vee x=2-\sqrt3 [/tex]

Answer Link

Otras preguntas

A woman saw oranges and mangos ad the market. She bought some oranges at 35 cents each and some mangoes at $1.00. if she bought a total of 25 fruits, which had
Select the compound sentence in the text below. Although association football was invented in England, many countries had earlier versions of their own. One suc
Why does the + 18 in step 2 become -18 in the working out below. Please explain in detail and this formula is calculating the first derivative of a function.
Which part of a the passage reflects the climax?​
Brian flips a fair coin 3 times. What is the probability of getting 3 heads?
You should switch your headlights from high beam to low beam when a vehicle approaching from the opposite direction gets no closer than____ feet away from you.
who wrote my children my africa?​
1/3 +1/40 +4/20 +5/12
HELP FAST!!!! Find the lateral surface area of the solid above.
At any given hotel, one of the largest departments is housekeeping. True False