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Black Book Advanced Problems in MathematicsMathematicsFunctions

Let f : R R , where f(x) = x^2 + ax + 1 x^2 + x + 1 . Then the complete set of values of ' a ' such that f(x) is onto is :

Options

  1. A(- , )
  2. B(- , 0)
  3. C(0, )
  4. DEmpty set

Correct answer

D. Empty set

Step-by-step solution

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