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Quantitative Aptitude

Equations

If the polyno...

Question

If the polynomial $x^{3}$ + px + q has three distinct roots, then which of the following is a possible value of p?

A

-1

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B

1

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C

2

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Solution

The correct option is A -1
Since, coefficient of $x^{2}$ = 0. Sum of roots $α + β + γ$ = 0.
This means at least one of the roots must be negative.

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