Latest book Aptitude Question SOLUTION: I have the following problem. I've tried working it. Am I correct? ya^2-yb^2+xb^2-xa^2 y(a^2-b^2)+ x(b^2-a^2) y(a+b)(a-b)+ x(b+a)(b-a) (a+b)* (y(a-b)+ x(b-a)) -(a+b