Question

if x=2root 3 prove xsquare - 4x+1=0​

Answer 1

Answer:

Step-by-step explanation:

x=2+\sqrt{3} is true for x^2-4x+1=0.

(2+\sqrt{3} )^2-4(2+\sqrt{3} )+1\\=7+4\sqrt{3} -8-4\sqrt{3} +1\\=0

∴x=2+\sqrt{3}(True)