First slide

Theory of equations

Question

The roots of the equation $x^{3} - 3 x - 2 = 0$ are

Easy

A

$- 1, - 1, 2$
B

$- 1, 1, - 2$
C

$- 1, 2, - 3$
D

$- 1, - 1, - 2$

Solution

by verification , the roots of the given equation are $- 1, - 1, 2$

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