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Mathematics
, 18.12.2019 13:31
taijaunam
Which of the following is a root of the polynomial function below
a. 2+i
b.1
c.2
d. -2+i
Answers: 1
Show answers
Answers
Answer from:
rosehayden21
X3 - 3x2 + 2=(x-1)( x^2-2x-2)
x^2-2x-2
= x^2-2x+1-1-2
= ( x^2-2x+1)-3
= (x-1)^2-3=0
gives
(x-1)^2=3
x-1= +/- sqrt3
x= 1 +/- sqrt3
ONLY C is the answer
Answer from: Quest
the answer is 62
Answer from: Quest
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You know the right answer?
Which of the following is a root of the polynomial function below
a. 2+i
b.1
c.2
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