If x^2+p x+1 is a factor of the expressi...

If `x^2+p x+1` is a factor of the expression `a x^3+b x+c ,` then

A

`a^(2)-c^(2)=ab`

B

`a^(2)+c^(2)=-ab`

C

`a^(2)-c^(2)=-ab`

D

none of these

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The correct Answer is:

A

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