Question

if x is equal to 3 root 5 + 2 root 2 and Y is equal to 3 root 5 minus 2 root 2 then evaluate X square + Y square​

Answer 1

Answer:

106

Step-by-step explanation:

x = 3√5+2√2

y = 3√5-2√2

=> x²+y²

(3√5+2√2)² + ( 3√5-2√2)²

= (45+8+12√10) +(45+8 - 12√10)

= 2(45+8)

= 2×53

= 106

hope this helps you