Question

can someone please help me with these?​

Answer 1

Answer:

ANSWER IS (i)

Step-by-step explanation:

$(i) \: \: \: \: \: \: p( - 1) = {( - 1)}^{3} + {( - 1)}^{2} + ( - 1) + 1 \\ \\ = - 1 + 1 - 1 + 1 \\ \\ = 0 \\ \\ hence \: \: x + 1 \: is \: a \: factor \: of \: \: {x}^{3} + {x}^{2} + x + 1.$