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The value of m for which the equation x^...

The value of m for which the equation `x^(3) + x + 1 = 0 ` . Has two roots equal in magnitude but opposite in sign, is :

A

`(1)/(2) `

B

`(2)/(3)`

C

`(3)/(4)`

D

`(4)/(5)`

Text Solution

Verified by Experts

The correct Answer is:
B
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