Question

plz tell me q 27 this one

Answer 1

hope you understand...........

Answer 2

XY =( 1 /3- 2√2) × (1 /3+ 2√2 )

XY = 1 / 9 - 8

XY = 1

x + y = 1 / (3 - 2√2 ) + 1 /(3+ 2√2)

x +y =( 3+2√2 + 3- 2√2) / 9 -8

x+y = 6


then x + y + xy = 6 + 1 =7


hope it helps !
thank you!