79.do the following problem with the process of factarisation of polynomials (x-y)+ (y-x)2 is equal to 1)(y -x)2(1-y+x) 2)(x- y)2(1+y+x) 3)(x-y)2(1+y-x) 4)(y-x)2(1+y+x)

79.do the following problem with the process of factarisation of polyn

1.	79.do the following problem with the process of factarisation of polynomials (x-y)+ (y-x)2 is equal to 1)(y -x)2(1-y+x) 2)(x- y)2(1+y+x) 3)(x-y)2(1+y-x) 4)(y-x)2(1+y+x)
Answer» 79.do the following problem with the process of factarisation of polynomials (x-y)+ (y-x)2 is equal to 1)(y -x)2(1-y+x) 2)(x- y)2(1+y+x) 3)(x-y)2(1+y-x) 4)(y-x)2(1+y+x)