Given that (x - y)/y = 2, we can rewrite this as:
x/y - 1 = 2x/y = 3
Now we can use this information to substitute into the expression (3x^2 - xy + 6y^2)/y^2:
(3(3y)^2 - 3y^2 + 6y^2)/y^2(27y^2 - 3y^2 + 6y^2)/y^2(30y^2)/y^230
Therefore, the answer is 30.
Given that (x - y)/y = 2, we can rewrite this as:
x/y - 1 = 2
x/y = 3
Now we can use this information to substitute into the expression (3x^2 - xy + 6y^2)/y^2:
(3(3y)^2 - 3y^2 + 6y^2)/y^2
(27y^2 - 3y^2 + 6y^2)/y^2
(30y^2)/y^2
30
Therefore, the answer is 30.