If x+2 is a factor of x^{3}+a x^{2}-x+30, value of a .

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2. Polynomials

hard

If $x+2$ is a factor of $x^{3}+a x^{2}-x+30,$ find the value of $a$.

Option A

Option B

Option C

Option D

Solution

$a=-6$

Standard 9

Mathematics

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