JEE MATHEMATICS MCQ: THEORY OF EQUATION

1 Easy

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Application +4 | -1

The roots of the equation

{x^4} - 8{x^2} - 9 = 0

are

View answer and explanation

Correct option: B

\pm \;3,\; \pm \;i

Option B (

\pm \;3,\; \pm \;i

) is correct because these are the roots obtained by factoring the given quartic equation.

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