Question

show that x square +xy+y square where x=√2-1/√2+1 and y=√2+1/√2-1 is rational​

Answer 1

Answer:

See the picture

Step-by-step explanation:

Given:

$x=\frac{\sqrt{2} -1}{\sqrt{2} +1} \ and \ y=\frac{\sqrt{2} +1}{\sqrt{2} -1}$