1.

1. Determine which of the following polynomials has (x + 1) a factor :(i) r + x2 + x + 1​

Answer»

r=3

Step-by-step EXPLANATION:

LET x= -1

r+(-1)(2)+(-1)+1=0

r-2-1+1=0

r-2-1=0

r-3=0

3=r



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