Question

if x=√5-√2/√5+√2 and y=√5+√2/√5-√2 find the value of x^2+y^2

Answer 1

Answer:

x=√5-√2/√5+√2

y=√5+√2/√5-√2

Step-by-step explanation:

x^2+y^2

(√5-√2/√5+√2)^2+(√5+√2/√5-√2)^2

5-2/5+2+5+2/5-2

3/7+7/3

9+49/21

58/21

x^2+y^2=58/21