Multiple choice question

Consider the following statements

(i) x - 2 is a factor of x3 - 3x2 + 4x - 4

(ii) x + 1 is a factor of 2x3 + 4x + 6

(iii) x -1 is a factor of x5 + x4 - x3 + x2 - x + 1

In these statements

1 and 2 are correct | |

1,2 and 3 are correct | |

2 and 3 are correct | |

1 and 3 are correct |