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For x ∈ R, the number of real roots of the equation 3x2 - 4|x2 - 1| + x - 1 = 0 is _____.
    Correct answer is '4'. Can you explain this answer?
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    For x∈R, the number of real roots of the equation 3x2- 4|x2- 1| +...
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    For x∈R, the number of real roots of the equation 3x2- 4|x2- 1| +...

    3x2 - 4|x2 - 1| + x - 1 = 0
    Case-I: |x| ≥ 1

    Case-II: |x| < 1

    So , Number of real roots = 4
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    For x∈R, the number of real roots of the equation 3x2- 4|x2- 1| + x - 1 = 0 is _____.Correct answer is '4'. Can you explain this answer?
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