Question

Divide (x^3+1) by (x+1)​

Answer 1

Step-by-step explanation:

a^3 + b^3 = (a+b)^3 - 3ab(a+b)

= (a+b)[a^2+b^2 - ab]

so (x^3 + 1^3) when divided by (x+1) will leave (x^2 + 1^2 -x) as remainder