Math, asked by debasak118, 1 year ago

X=2+under root 2 then what is value of x square - 4x + 2

Answers

Answered by palakhanduja32
0
x^2-4x+2
(2+ root2)^2-4(2+root 2)+2
(a+b)^2=a^2+b^2+2ab
4+ 2 + 4root 2 -8-4root2+2
4root2 cancelled because of minus and plus
4+2-8+2
6-8+2
-2+2=0

hope it helps you.
please mark it as brainliest.
Similar questions