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Black Book Advanced Problems in MathematicsMathematicsFunctions

If f : R R , 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. Dnot possible

Correct answer

D. not possible

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