This is a question about ratio and proportion, which I've tried to solve, but got the wrong answer. The correct answer is apparently 2, but I got someting like 0.0042 - and I am not sure what I did wrong.
Therefore, I would appreciate your help :)
The question is:
a+b = 1/6
((a-b)^2 + ab) / ((3a^3) + (3b^3)) = ?