monaeortizbby monaeortizbby

15-02-2020
Mathematics

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4x^3-2x^2+x-2

Predict the number of complex roots and explain how you got it

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Larrysammz Larrysammz

16-02-2020

Answer:

Step-by-step explanation:

4x^3-2x^2+x-2

4x³-2x²+x-2=0

2x²(x-2)+1(x-2)=0

(2x²+1)(x-2)=0

x-2 = 0 2x²+1 =0

x=2 2x² =-1

x² = -1/2

x =√-1/2

x = √-1/2. 2

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