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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Consider the equation in real number x and a real parameter , |x - 1| - |x - 2| + |x - 4| = . Then for 1 , the number of solutions, the equation can have is/are :

Options

  1. A1
  2. B2
  3. C3
  4. D4.

Correct answer

A. 1

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