Question

If x^2 + y^2-xy=3 and y-x=1 then find xy/x^2+y^2

Answer 1

Hi Mate!!!

x² + y² = ( x - y )² + 2xy


3 + xy = (-1)² + 2xy



x y = 2



xy / x² + y² = 2 / 3 +2. = 2 / 5


Have a great future ahead

Answer 2

Answer:

xy/x^2+y^2 = 2/5

hope it HELPS