Question

2. X3 - 1 by x-1 divided it ​

Answer 1

Step-by-step explanation:

We have x  

3

+1=(x+1)(x  

2

−x+1).

Now,  

(x+1)

x  

3

+1

​  

=  

x+1

(x+1)(x  

2

−x+1)

​  

=(x  

2

−x+1).

So when x  

3

+1 is divided by (x+1) then the quotient be x  

2

−x+1 and the remainder will be 0 [ Since x  

3

+1 is perfectly divisible by (x+1)].