Question

so that X + 1 is a factor of x cube + x square + X + 1​

Answer 1

Step-by-step explanation:

I hope you will find it helpful.

Answer 2

(x+1) is the factory of

${x}^{3} + {x}^{2} + x + 1$

............. (1)

from equation (1) we get,

$= {x}^{2} (x + 1) +1(x + 1) \\ = (x + 1)( {x}^{2} + 1)$

................ (1)

from equation (1)

we said that (x+1) is the factor of given equation (1)

hope it helps.....

● keep smiling &

always shining