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Black Book Advanced Problems in MathematicsMathematicsFunctions

| _e |x| | = |k - 1| - 3 has four distinct roots then k satisfies : (where |x| < e^2, x 0 )

Options

  1. A(-4, -2)
  2. B(4, 6)
  3. C(e⁻¹, e)
  4. D(e⁻², e⁻¹)

Correct answer

A. (-4, -2)

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