Question

Solutia ecuatiei x√2=1+x este...
de gimnaziu

Answer 1

$x \sqrt{2} =1+x \\ x \sqrt{2} -x=1 \\ x( \sqrt{2} -1)=1 \\ x= \frac{1}{ \sqrt{2} -1} \\ x= \frac{ \sqrt{2}+1 }{2-1} \\ x= \sqrt{2}+1$