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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

The set of values of k (k ∈ R) for which the equation x^2 - 4|x| +...

The set of values of k(k∈R)k (k \in R) for which the equation x2−4∣x∣+3−∣k−1∣=0x^2 - 4|x| + 3 - |k - 1| = 0 will have exactly four real roots, is :

Options

  1. A(−2,4)(-2, 4)
  2. B(−4,4)(-4, 4)
  3. C(−4,2)(-4, 2)
  4. D(−1,0)(-1, 0).

Correct answer

A. (−2,4)(-2, 4)

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