Question

Calculati x=radical din 2 -x

Answer 1

x√2 - x
x (√2-1 )
.........

Answer 2

x=radical din 2 -x

$\it x = \sqrt2-x \Rightarrow x+x=\sqrt2 \Rightarrow 2x=\sqrt2 \Rightarrow x=\dfrac{\sqrt2}{2}$