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Black Book Advanced Problems in MathematicsMathematicsFunctions

The solution set of the equation [x]^2 + [x + 1] - 3 = 0 , where [ ] represents greatest integer function is :

Options

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

Correct answer

B. [-2, -1) [1, 2)

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