SubArea: Polynomials and fractionsLevel: BProject ID: 9000083601Accepted: 1Clonable: 0Easy: 1Find the conditions on x under which the expression x−yx+y−x+yx−yxyx2−y2 is well-defined.x≠0,y≠0,x≠±yx≠−yx≠±yx≠0,y≠0
