Question

If -1 is a zero of the polynomial p(x)=ax3-x2+x+4,then value of a is

Answer 1

Answer:

I think this answer is correct

Step-by-step explanation:

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Answer 2

Answer:

a=2

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Step-by-step explanation:

x=-1

p(-1)=a(-1)^3-(-1)^2+(-1)+4

      =a(-1)-1-1+4

  -4+1+1=a(-1)

-2=a(-1)

-2/-1=a

a=2