Question

if x=root 2+1/root 2-1and y=root 2-1/root 2+1, show that x^2+y^2+xy=35

Answer 1

Answer:

x=(root2+1)/(root2-1) -------1)

y=(root2-1)/(root2+1) -------2)

1)x=2.414÷0.414=5.83

2)y=0.414÷2.414=0.171

From equ x^2+y^2 +by=35.0(app)