Question

2. The factors of x3 - 1 + y3 + 3xy, are
(a) (x - 1+y) (2x2 +1+y2 + x + y - xy)
(C) (x-1+y) (x2 -1 - y2 + x +y + xy)
(b) (x + y +1) (x2 + y² +1 - xy - x - y)
(d) 3(x+y – 1) (x2 + y2 - 1)​

Answer 1

Answer:

option (1) is correct

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