If x - y = sqrt(3) and x + y = 2, then xy = ?
x = sgrt3+y sub into second equation
sqrt3 +y + y = 2
2y = 2 - sqrt 3
y = 1 - 1/2 sqrt3
x + 1- 1/2sqrt3 = 2
x = 1 + 1/2 sqrt3
You can multiply them for the answer.......