JEE MATHEMATICS MCQ: THEORY OF EQUATION

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Analyzing +4 | -1

The real roots of

{\left| x \right|^3} - 3\;{x^2} + 3\left| x \right| - 2 = 0

are

View answer and explanation

Correct option: C

\pm \;2

Option C (

\pm \;2

) is correct because by substituting

|x|

into the equation and solving, we find that the real roots are

\pm 2

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