Question

if x = 7 + root 5 and y = 7 - root 5 then evaluate the value of x²+y²​

Answer 1

Answer:

108

Step-by-step explanation:

49 + 5 + 14 root 5 + 49 + 5 - 14 root 5

98 + 10

108

Answer 2

Answer:

108 is answer..

Step-by-step explanation:

x=7 + root 5

x^2 is 49+5+14root5

y=7-root5

y^2 is 49+5-14root5

and x^2+y^2 = 98 +10