(x + y)^2 – xy = 0, అయితే (x^3 – y^3)/(x - y) విలువ ఎంత?

(x³ − y³)/(x − y) = x² + xy + y². Since (x + y)² − xy = x² + 2xy + y² − xy = x² + xy + y², and this is given to be 0, the value is 0.