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Mathematics

Algebra

Easy

Question

If $x squared plus p x plus 1$ is a factor of the expression $a x cubed plus b x plus c$ then

$a^{2} - c^{2} = a b$
$a^{2} + c^{2} = - a b$
$a^{2} - c^{2} = - a b$
none of these

The correct answer is: $a squared minus c squared equals a b$

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