Question

if x = 2 under root 3 + under root 2 upon under root 3 minus under root 2 and Y = 2 under root 3 minus under root 2 upon under root 3 + under root 2 find X square + Y square

Answer 1

Answer =236
The properties used here-
a+b whole square - a2 + b2 +2ab
a2 - b2 = (a+b) (a-b)