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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

The equation ⁻¹ x = |x - a| will have atleast one solution then complete set of values of a be :

Options

  1. A[-1, 1]
  2. B[- 2 , 2 ]
  3. C[1 - 2 , 1 + 2 ]
  4. D[ 2 - 1, 2 + 1 ]

Correct answer

C. [1 - 2 , 1 + 2 ]

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