yusufadebonuola yusufadebonuola

20-05-2020
Mathematics

contestada

1. (a) Show that the polynomial x⁴+ 4x³ + 6x² - 8 is divisible by x+2

Respuesta :

dannielle dannielle

20-05-2020

Answer:

Step-by-step explanation:

if x= -2

and P(x)=x^4+4x^3+6x^2-8

then P(-2)=(-2)^4+4*(-2)^3+6*(-2)^2-8=16-32+24-8=0

so P(x)=(x+2)* Q(x) and P(x) is divisible by x+2

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