Ako je x2+x4y23+y2+x2y43=a,\sqrt{x^2 + \sqrt[3]{x^4y^2}} + \sqrt{y^2 + \sqrt[3]{x^2y^4}} = a,x2+3x4y2+y2+3x2y4=a, koliko je (x23+y23)3(\sqrt[3]{x^2} + \sqrt[3]{y^2})^3(3x2+3y2)3?