Question

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Answer 1

División algebraica

Resto = 3

Teorema del resto

x + 1 = 0

x = -1

Reemplaza "x" en el dividendo

b(-1)³ + 2(-1)² + 4 +1 = 3

-b +2 +4 + 1= 3

-b + 7 = 3

b = 4