Question

S
14. Determine which of the following polynomial
has (x + 1) as a factor:
(1) x3 + x2 + x + 1
​

Answer 1

Answer:

Apply remainder theorem

x+1=0

x=−1

Put the value of x=−1 in all equations.

(i) x

3

+x

2

+x+1=(−1)

3

+(−1)

2

+(−1)+1=−1+1−1+1=0

Then x+1 is the factor of equation

Explanation:

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