Question

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Answer 1

Answer:

put x=a in equation

a= -2

because it is a factor of eqn then x-a must be equal to 0

Answer 2

Here..

x-a =0

X=a

and p(X)=X^3-ax^2+X+2

substituting X=a in p(X) we get

a^3-a*^2+a+2=0

a^3-a^3+a+2=0

a+2=0

a=-2 answer

hope usefully

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