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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If the equation (x^2 + 5x) - (x + a + 3) = 0 has exactly one solution for x , then number of integers in the range of a is :

Options

  1. A4
  2. B5
  3. C6
  4. D7.

Correct answer

B. 5

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